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php method to take out the first few elements of the array: You can use the array_slice() function to take out a value in the array based on conditions, such as [print_r(array_slice($a,1,2))]. If the array has string keys, the returned array will retain the key names.
Function introduction:
array_slice() function takes out a value from the array based on conditions and returns it.
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Note: If the array has string keys, the returned array will retain the key name.
Syntax:
array_slice(array,start,length,preserve)
Example:
<?php $a=array("red","green","blue","yellow","brown"); print_r(array_slice($a,1,2)); ?>
Use negative start parameter:
<?php $a=array("red","green","blue","yellow","brown"); print_r(array_slice($a,-2,1)); ?>
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