<?php
namespace
{
function callable_equals(){
$strict = false;
$callables = func_get_args();
if(is_bool($callables[count($callables) - 1])){
$strict = $callables[count($callables) - 1];
$callables = array_splice($callables, 0, -1);
}
$normalizeCallable = function(callable $callable){
if(is_string($callable)){
$callable = strtolower($callable);
$pieces = explode("::", $callable);
if(count($pieces) == 2){
return [$pieces[0], $pieces[1]];
}
return $callable;
}
if(is_string($callable[0])){
$callable[0] = strtolower($callable[0]);
}
$callable[1] = strtolower($callable[1]);
return $callable;
};
if(count($callables) < 2){
trigger_error("callable_equals() requires at least 2 callables for comparison.", E_USER_WARNING);
return null;
}
foreach($callables as $i => $callable){
if(!is_callable($callable)){
trigger_error("Argument " . ($i + 1) . " is not a callable.", E_USER_WARNING);
return null;
}else{
$callables[$i] = $normalizeCallable($callable);
}
}
$callable = array_shift($callables);
while($callables){
if($callable !== $callables[0])
return false;
$callable = array_shift($callables);
}
return true;
}
class Foo{static function bar(){}}
}
namespace A\b\C\d
{
class Foo{static function bar(){}}
}
namespace
{
var_dump(callable_equals(
['Foo', 'bar'],
'foo::BAR'
));
var_dump(callable_equals(
['A\\b\\C\\d\\Foo', 'bAr'],
'a\\B\\c\\D\\FoO::bar'
));
}
preferences:
34.65 ms | 402 KiB | 5 Q