strspn

PHP 4, PHP 5, PHP 7, PHP 8
strspn - Finds the length of the initial segment of a string consisting entirely of characters contained within a given mask
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Manual
Code Examples

Example #1 strspn example

Result: int(0) int(2) int(1)
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Example #2 of strspn

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Function strspn:

Strings Functions

Most used PHP functions