Strposstrrchrstrpbrk character search function in php

In php, the strposstrrchrstrpbrk character search function strpos () returns the position where the string first appears in another string. if the string is not found, false is returned.

Syntax: strpos (string, find, start). The code is as follows:

$ Str = "hello world"; // defines string 1

$ Result = strpos ($ str, "ll"); // execute the following command to find the earliest location

Echo $ result; // output result, 2

The strrchr () function is used to locate the last occurrence position of a string in another string and return all characters from this position to the end of the string. if the result fails, false is returned.

Syntax: strrchr (string, char). The code is as follows:

$ Str = "hello world"; // defines string 1

$ Result = strrchr ($ str, "o"); // run the following command to find the last position.

Echo $ result;

The strpbrk () function searches for any of the specified characters in a string. This function returns the remainder of the position at which the specified character first appears. if not found, false is returned.

Syntax: strpbrk (string, charlist). The code is as follows:

$ Str = "hello world"; // defines string 1

$ Result = strpbrk ($ str, "oe"); // perform the search operation.

Echo $ result; // output result, ello world

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Note: This function is case sensitive.