* bool $keep_character determines whether or not to keep the character. * string $side determines whether text to the left or the right of the character is returned. Here’s the syntax of the strpos () function: strpos ( string haystack, string needle, int offset 0 ) : int false Code language: PHP (php) The strpos () function has the following parameters: The haystack is a string to search in. * string $string the string to search through. The PHP strpos () function returns the index of the first occurrence of a substring within a string. You’ll also learn how to find the all positions of a substring in a string (or a multibyte string). * string $character the character to search for. How to find the position of the first or last occurrence of a substring in a string. * $cwd_relative = cut_string_using_last('/', $example, 'right', false) * $cwd_relative = cut_string_using_last('/', $example, 'right', true) * $cwd_relative = cut_string_using_last('/', $example, 'left', false) this is the amount of time taken for both. * $cwd_relative = cut_string_using_last('/', $example, 'left', true) strrpos gets the position of the last occurrence of the slash substr returns. Getting Started Introduction A simple tutorial Language Reference Basic syntax Types Variables Constants Expressions Operators Control Structures Functions Classes and Objects Namespaces Enumerations Errors Exceptions Fibers Generators Attributes References Explained Predefined Variables Predefined Exceptions Predefined Interfaces and Classes Predefined Attributes Context options and parameters Supported Protocols and Wrappers Security Introduction General considerations Installed as CGI binary Installed as an Apache module Session Security Filesystem Security Database Security Error Reporting User Submitted Data Hiding PHP Keeping Current Features HTTP authentication with PHP Cookies Sessions Dealing with XForms Handling file uploads Using remote files Connection handling Persistent Database Connections Command line usage Garbage Collection DTrace Dynamic Tracing Function Reference Affecting PHP's Behaviour Audio Formats Manipulation Authentication Services Command Line Specific Extensions Compression and Archive Extensions Cryptography Extensions Database Extensions Date and Time Related Extensions File System Related Extensions Human Language and Character Encoding Support Image Processing and Generation Mail Related Extensions Mathematical Extensions Non-Text MIME Output Process Control Extensions Other Basic Extensions Other Services Search Engine Extensions Server Specific Extensions Session Extensions Text Processing Variable and Type Related Extensions Web Services Windows Only Extensions XML Manipulation GUI Extensions Keyboard Shortcuts ? This help j Next menu item k Previous menu item g p Previous man page g n Next man page G Scroll to bottom g g Scroll to top g h Goto homepage g s Goto search
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