Build a PHP development environment
41 minutes01 secondsPHP start and end tags
21 minutes02 secondsPHP features
21 minutes27 secondsVariables in PHP
26 minutes41 secondsData types and declarations in PHP 1
39 minutes17 secondsData types and declarations in PHP 2
11 minutes55 secondsFunctions related to variables
18 minutes05 secondsHow to get the number type
29 minutes29 secondsData type conversion
42 minutes08 secondsDefine constant method 1
18 minutes11 secondsDefine constant method 2
20 minutes30 secondsarithmetic operators
31 minutes51 secondsString operators and assignment operators
09 minutes30 secondscomparison operator
07 minutes33 secondsLogical Operators
13 minutes50 secondsBit operations
16 minutes10 secondsOther operators
26 minutes46 secondsExplanation of homework requirements
11 minutes23 secondsHomework: Background color change
19 minutes05 secondsHomework: Online Calculator
28 minutes37 secondsIntroduction to process control
05 minutes45 secondssingle branch structure
07 minutes06 secondsdouble branch structure
10 minutes01 secondsMultiple branch format elseif
14 minutes12 secondsMultiple branch format switch
17 minutes41 secondsnested branch structure
09 minutes15 secondsToday’s homework requirements
03 minutes52 secondsCalculator Homework Review
18 minutes06 secondsOther pseudo-class selectors (Part 2)
16 minutes19 secondsCircular introduction
08 minutes26 secondswhile loop
34 minutes50 secondsdo...while loop
07 minutes07 secondsThe difference between while and do...while
04 minutes34 secondsfor loop
21 minutes59 secondsOther statements for flow control
10 minutes10 secondsWork requirements
04 minutes21 secondsLoop through 10 rows and 10 columns of tables and change colors every other row
11 minutes29 secondsLoop through 10 rows and 10 columns and change the color of each cell randomly
07 minutes22 secondsMultiplication table format 1 (lower left)
11 minutes04 secondsMultiplication table format 2 (upper left)
07 minutes04 secondsMultiplication table format 3 (lower right)
15 minutes13 secondsMultiplication table format 4 (upper right)
10 minutes19 secondsFibonacci Sequence
13 minutes11 secondsIntroduction to traversing chicks and homework
09 minutes54 secondsPerpetual Calendar Homework Review
12 minutes42 secondsUsage of goto statement
14 minutes30 secondsThe concept of array
12 minutes12 secondsMethod 1 of declaring arrays - using language constructs to declare arrays
08 minutes46 secondsArray declaration method 2-Declare an array using specified syntax
05 minutes44 secondsArray declaration method 3 - Declare an array by adding array elements
04 minutes55 secondsArray related operations
19 minutes02 secondsDelete and clear arrays
12 minutes45 secondsfor loop traverses array
17 minutes12 secondsBubble Sort
11 minutes55 secondsforeach method to traverse an array
08 minutes07 secondsSystem predefined variable GET_POST
06 minutes59 secondsSystem predefined variables
10 minutes49 secondsThe for loop traverses the data in the array and outputs it to the table
09 minutes41 secondsThe foreach loop traverses the data in the array and outputs it to the table
09 minutes12 secondsThe difference between for loop and foreach loop
05 minutes58 secondsSearch criteria added
07 minutes38 secondsImplement the function of sorting by age
08 minutes19 secondsSearch by gender
10 minutes31 secondsPaging implementation
21 minutes32 secondssearch maintain
07 minutes35 secondsUnderstanding functions
15 minutes56 secondsHow to customize functions
10 minutes29 secondsThe function of return statement
19 minutes28 secondsfunction parameters
27 minutes20 secondsfunction variable scope
24 minutes37 secondsstatic variable
05 minutes46 secondsPassing parameters by reference
10 minutes44 secondsWork requirements
04 minutes34 secondshomework review
31 minutes24 secondsCustom bubble sort function
16 minutes46 secondsvariable function
10 minutes47 secondsCallback
18 minutes26 secondsinternal function
11 minutes07 secondsrecursive function
14 minutes19 secondsanonymous function
05 minutes13 secondsclosure function
06 minutes22 secondsAnonymous callback
14 minutes05 secondsvariable length argument list
22 minutes24 secondsSystem function manual learning method
08 minutes02 secondsfile inclusion
33 minutes14 secondsWork requirements
03 minutes14 secondsExplanation of previous level assignment 1
33 minutes21 secondsPrevious homework explanation 2
12 minutes52 secondsMath functions
20 minutes59 secondsString functions 1
33 minutes07 secondsString function 2
42 minutes30 secondsCustoms clearance requirements
01 minutes20 secondsExplanation of previous level homework
10 minutes22 secondsLearning function of time
25 minutes07 secondsSet time zone 1
06 minutes32 secondsSet time zone 2
11 minutes15 secondstimestamp function
23 minutes36 secondstime function
10 minutes09 secondsRecognize and block errors
19 minutes15 secondsError log output
07 minutes14 secondsCustom error file output
14 minutes33 secondsWork requirements
01 minutes51 secondsSimple implementation of perpetual calendar
12 minutes29 secondsPerpetual calendar realizes year and month changes
24 minutes05 secondsFinal version_perpetual calendar
33 minutes09 secondsWork requirements
01 minutes04 secondsFile system introduction
05 minutes32 secondsFile operation related functions
26 minutes22 secondsFile operation related functions (read and write execution and file time)
08 minutes35 secondsFile operations: read file related operations
24 minutes16 secondsFile operations: writing file related operations
22 minutes53 secondsFile lock mechanism
07 minutes00 secondsApplication of generator yield
19 minutes02 secondsSimple message board implementation
19 minutes41 secondsIntroduction to homework requirements
01 minutes28 secondsSimple implementation of basic message board operations
31 minutes13 secondsImplementation of message board deletion function
15 minutes32 secondsImplementation of message board modification function
23 minutes51 secondsExplanation on message board modification operation and key transmission
10 minutes40 secondsImplementation of paging effect
13 minutes35 secondsMessage board search and condition maintenance
30 minutes26 secondsExplanation of homework requirements
01 minutes36 secondsDirectory related functions
31 minutes12 secondsIntroduction to opening, reading, and closing directories
16 minutes40 secondsCount the number of files and directories
26 minutes29 secondsDelete directory function writing
21 minutes50 secondsWriting statistical directory size and size conversion functions
11 minutes31 secondsWriting the functions of moving directories and renaming directories
15 minutes53 secondsWork requirements
05 minutes51 seconds