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substr () is a built-in PHP function which returns part of a string. The function substr () will take a string as input, the index form where you want the string to be trimmed, and an optional parameter is the length of the substring. You can see proper documentation and example code on substr.
Function Reference. Text Processing. Strings. String Functions. Change language: str_contains. (PHP 8) str_contains — Determine if a string contains a given substring. Description ¶. str_contains (string $haystack, string $needle): bool. Performs a case-sensitive check indicating if needle is contained in haystack. Parameters ¶. haystack.
Example. Return "world" from the string: <?php. echo substr ("Hello world",6); ?> Try it Yourself » Definition and Usage. The substr () function returns a part of a string. Syntax. substr (string,start,length) Parameter Values. Technical Details. More Examples. Example. Using the start parameter with different positive and negative numbers: <?php.
substr (string $string, int $offset, ? int $length = null): string Returns the portion of string specified by the offset and length parameters. Parameters
TRAVERSING STRING. It means accessing the individual characters of string i.e. from first character to last character. Every character in string is at different index position i.e. from 0 to size-1. For loop can be used to traverse the string very easily.
5 wrz 2024 · A string is a sequence of characters used to store and manipulate text data. PHP strings can include letters, numbers, symbols, and special characters. Strings are a versatile data type, commonly used for handling input/output, generating dynamic content, and more.
The following example uses the substr() function to extract a substring from the 'PHP substring' string starting from the index 4 to the end of the string: <?php $s = 'PHP substring' ; $result = substr($s, 4 ); echo $result; // substring Code language: HTML, XML ( xml )
