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version_compare()

« var_export | vprintf »
<?php
$mixed 
version_compare (
    
// string $version1
    
// string $version2
    
?  // [string $operator]
);
?>
Result
$mixed = 1
Examples
#1 version_compare  (PHP_VERSION,
 
"6.0.0")
#2 version_compare  (PHP_VERSION,
 
"5.3.0")
#3 version_compare  (PHP_VERSION,
 
"5.0.0",
 
">=")
#4 version_compare  (PHP_VERSION,
 
"5.0.0",
 
"<")
See also
function_exists, php_uname, phpversion