php strcspn() function
Translation results：
英[strɪŋ] 美[strɪŋ]
n.String; rope, belt; thread, plant fiber; [Computer Science] String
vt. Winding, tuning; To line up in a line or a series; to tie, tie or hang with a thread; to extend or extend
Third person singular: strings Plural: strings Present participle: stringing Past tense: strung Past participle: strung
php strcspn() functionsyntax
Function:Output the number of characters to search before finding a character in the string
Syntax: strcspn(string,char,start,length)
Parameters:
| Description | |
| Required. Specifies the string to search for. | |
| Required. Specifies the characters to search for. | |
| Optional. Specifies where in the string to start searching. | |
| Optional. Specifies the length of the string (how many characters to search for). |
Description: Returns the number of characters (including spaces) found in the string before any specified characters are found.
php strcspn() functionexample
<?php
echo strcspn("Hello php.cn!","p");
?>Run instance»
Click the "Run instance" button to view the online instance
Output:
6
<?php
echo strcspn("PHP is a good development language! I love PHP","good");
?>Run Instance»
Click the "Run Instance" button to view the online instance
Output:
9