php count specific characters in string
<?php
//you can use the substr_count function
$str = "this is a test string";
echo substr_count($str, "s"); //Output: 4
?>php count specific characters in string
<?php
//you can use the substr_count function
$str = "this is a test string";
echo substr_count($str, "s"); //Output: 4
?>check value contains numbers or letters php
ctype_digit(string text);
Parameter Used:
The ctype_digit() function in PHP accepts only one parameter.
text : Its mandatory parameter which specifies the tested string.
Return Values:
It returns TRUE if all characters of the string are numeric otherwise
return FALSE.
Input : '789495001'
Output : TRUE
Explanation : All digits, return True
Input : 'adc123' or '789.0877'
Output : FALSE
Explanation: String contains number and string or floating point,
return false.Copyright © 2021 Codeinu
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