3v4l.org

run code in 300+ PHP versions simultaneously
<?php function my_array_diff($a, $b) { $map = $out = array(); foreach($a as $val) $map[$val] = 1; foreach($b as $val) if(isset($map[$val])) $map[$val] = 0; foreach($map as $val => $ok) if($ok) $out[] = $val; return $out; } $a=array('a','A','b'); $b=array('A','c','b') print_r(my_array_diff($a,$b)); print_r(array_diff($a,$b));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
5.6.80.0030.08720.36
5.6.70.3470.02720.38
5.5.240.0330.07020.15
5.4.400.0570.08318.76
5.4.390.1030.06018.58
5.4.380.1100.07318.78
5.4.370.0830.07018.57
5.4.360.0930.07318.69
5.4.350.0700.07318.70
5.4.340.0930.08318.46
5.4.320.0500.07718.77
5.4.310.1100.07018.74
5.4.300.0970.07718.76
5.4.290.0900.07018.69
5.4.280.0730.07018.73
5.4.270.1000.06318.77
5.4.260.1200.06018.83
5.4.250.1100.05718.61
5.4.240.0970.07318.48
5.4.230.0930.08018.50
5.4.220.0900.08018.77
5.4.210.1170.05018.61
5.4.200.1070.05716.78
5.4.190.0670.07018.68
5.4.180.1130.05718.82
5.4.170.0900.05718.82
5.4.160.0930.04718.68
5.4.150.0800.07018.69
5.4.140.0930.05716.30
5.4.130.0730.05016.43
5.4.120.1130.06016.30
5.4.110.1000.06316.28
5.4.100.1070.05716.18
5.4.90.1030.05716.45
5.4.80.0800.05016.42
5.4.70.0830.06016.34
5.4.60.0270.04316.27
5.4.50.0900.06316.18
5.4.40.1230.06016.21
5.4.30.1200.07316.38
5.4.20.1330.06016.23
5.4.10.0930.05716.26
5.4.00.1230.03715.77
5.3.290.0730.06314.83
5.3.280.0970.05714.81
5.3.270.0730.07314.61
5.3.260.0830.06014.64
5.3.250.0730.06314.79
5.3.240.1030.04714.63
5.3.230.1000.06714.61
5.3.220.1030.05714.79
5.3.210.1070.05714.77
5.3.200.1330.06014.69
5.3.190.0800.06014.64
5.3.180.1070.05014.58
5.3.170.0100.06014.61
5.3.160.1030.05714.59
5.3.150.0900.06014.54
5.3.140.1030.05714.54
5.3.130.0970.07014.67
5.3.120.0900.07714.75
5.3.110.1030.06014.58
5.3.100.1000.06314.09
5.3.90.0830.06014.04
5.3.80.0930.05014.13
5.3.70.1100.04314.07
5.3.60.1070.05014.22
5.3.50.1170.06714.08
5.3.40.0730.08313.96
5.3.30.1100.06314.04
5.3.20.1170.06313.67
5.3.10.1130.06713.70
5.3.00.1330.07313.85
5.2.170.0830.05311.19
5.2.160.0730.04711.24
5.2.150.0830.05311.34
5.2.140.0830.05311.35
5.2.130.0870.05311.15
5.2.120.1100.04311.21
5.2.110.0700.04311.15
5.2.100.0870.05011.23
5.2.90.1000.06311.20
5.2.80.1130.05311.31
5.2.70.0900.04311.22
5.2.60.1000.05311.08
5.2.50.0730.05711.14
5.2.40.0570.06311.02
5.2.30.0930.05011.19
5.2.20.0630.05011.00
5.2.10.0800.04010.99
5.2.00.0700.05010.81
5.1.60.0800.04010.00
5.1.50.0830.03310.02
5.1.40.0800.04310.06
5.1.30.0700.04710.56
5.1.20.1030.04310.41
5.1.10.0770.04310.05
5.1.00.0800.03710.17
5.0.50.0430.0308.67
5.0.40.0670.0238.45
5.0.30.0300.0678.43
5.0.20.0300.0438.40
5.0.10.0200.0308.37
5.0.00.0430.0438.38
4.4.90.0270.0375.89
4.4.80.0330.0376.00
4.4.70.0300.0275.92
4.4.60.0430.0205.89
4.4.50.0430.0235.89
4.4.40.0430.0405.93
4.4.30.0530.0305.94
4.4.20.0530.0305.98
4.4.10.0330.0306.02
4.4.00.0470.0436.04
4.3.110.0300.0335.91
4.3.100.0230.0335.80
4.3.90.0470.0235.91
4.3.80.0500.0435.89
4.3.70.0370.0235.79
4.3.60.0370.0235.91
4.3.50.0400.0305.83
4.3.40.0370.0405.87
4.3.30.0270.0204.57
4.3.20.0300.0234.65
4.3.10.0270.0204.50
4.3.00.0070.0236.70

preferences:
131.5 ms | 1398 KiB | 7 Q