In PHP, you can use the substr function to delete the first string. The syntax of this function is "substr(string,start,length)". If the start parameter is a negative number and length is less than or equal to start, then length is 0.
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Delete the first character of the string
substr('字符串',1);
substr() function returns a part of a string.
Note: If the start parameter is negative and length is less than or equal to start, length is 0.
Grammar
substr(string,start,length)
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