PHP type comparison tables ¶. The following tables demonstrate behaviors of PHP types and comparison operators, for both loose and strict comparisons.

Comparison operators, as their name implies, allow you to compare two values. You may also be interested in viewing the type comparison tables, as they show ...

Types ¶. Table of Contents ¶. Introduction · Type System · NULL · Booleans · Integers · Floating point numbers · Strings · Numeric strings · Arrays ...

Introduction · Type System · Arrays · Type Juggling

List of Resource Types · List of Available Filters · List of Supported Socket Transports · PHP type comparison tables · List of Parser Tokens · Userland Naming ...

PHP Manual - Manual · Language Reference · Function Reference · Types

Comparing Objects ¶. When using the comparison operator ( == ), object variables are compared in a simple manner, namely: Two object instances are equal if ...

HTTP authentication with PHP ... The type comparison tables may also be useful, as various examples of comparison between values of different types are present.

Comparisons are performed according to PHP's usual type comparison rules. <?php // Integers echo 1 <=> 1; // 0 echo 1 <=> 2; // -1 echo 2 <=> 1; // 1

This is the context when using a comparison operator. The type conversions which occur in this context are explained in the Comparison with Various Types table.

strcasecmp() - Binary safe case-insensitive string comparison ; preg_match() - Perform a regular expression match ; substr_compare() - Binary safe comparison of ...