3v4l.org

run code in 300+ PHP versions simultaneously
<?php class H { static public function ensure(&$a, $k, $v){ if (!array_key_exists($k, $a)) $a[$k] = $v; } } $array = array(); H::ensure($array, 'foo', 'bar'); var_dump($array);

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)
8.3.70.0110.00416.50
8.3.60.0120.00318.15
8.3.50.0130.00622.88
8.3.40.0040.01118.77
8.3.30.0040.01119.13
8.3.20.0040.00420.34
8.3.10.0080.00020.71
8.3.00.0040.00420.77
8.2.180.0120.00318.08
8.2.170.0120.00322.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00519.48
8.2.110.0090.00020.37
8.2.100.0080.00317.72
8.2.90.0000.00719.30
8.2.80.0000.00718.16
8.2.70.0050.00517.75
8.2.60.0000.00818.15
8.2.50.0030.00618.07
8.2.40.0030.00718.15
8.2.30.0000.00719.43
8.2.20.0040.00417.66
8.2.10.0040.00418.13
8.2.00.0060.00317.86
8.1.280.0070.01025.92
8.1.270.0090.00023.79
8.1.260.0080.00026.35
8.1.250.0060.00328.09
8.1.240.0090.00023.96
8.1.230.0080.00322.08
8.1.220.0000.00818.77
8.1.210.0040.00418.89
8.1.200.0060.00317.48
8.1.190.0040.00417.63
8.1.180.0090.00018.10
8.1.170.0080.00018.70
8.1.160.0070.00018.89
8.1.150.0070.00018.88
8.1.140.0080.00017.44
8.1.130.0000.00717.69
8.1.120.0030.00617.50
8.1.110.0000.00717.35
8.1.100.0070.00017.46
8.1.90.0050.00217.41
8.1.80.0050.00217.39
8.1.70.0040.00417.42
8.1.60.0030.00617.58
8.1.50.0000.00817.50
8.1.40.0030.00717.53
8.1.30.0040.00417.60
8.1.20.0040.00417.55
8.1.10.0050.00217.50
8.1.00.0000.00817.50
8.0.300.0040.00420.05
8.0.290.0030.00317.16
8.0.280.0000.00718.40
8.0.270.0070.00017.16
8.0.260.0000.00617.12
8.0.250.0030.00316.84
8.0.240.0000.00716.92
8.0.230.0000.00716.88
8.0.220.0030.00316.79
8.0.210.0040.00416.79
8.0.200.0000.00616.90
8.0.190.0030.00416.94
8.0.180.0040.00416.95
8.0.170.0080.00016.87
8.0.160.0040.00417.00
8.0.150.0070.00316.84
8.0.140.0000.00716.71
8.0.130.0030.00313.38
8.0.120.0000.00816.75
8.0.110.0080.00016.84
8.0.100.0040.00416.75
8.0.90.0040.00416.80
8.0.80.0100.00716.77
8.0.70.0040.00416.91
8.0.60.0000.00716.75
8.0.50.0040.00416.90
8.0.30.0110.01017.03
8.0.20.0160.00717.40
8.0.10.0050.00317.12
8.0.00.0100.00716.83
7.4.330.0000.00515.14
7.4.320.0060.00016.50
7.4.300.0000.00616.60
7.4.290.0070.00016.64
7.4.280.0040.00416.46
7.4.270.0000.00716.43
7.4.260.0030.00316.41
7.4.250.0080.00016.47
7.4.240.0000.00716.64
7.4.230.0000.00716.67
7.4.220.0090.01616.49
7.4.210.0080.00616.49
7.4.200.0030.00316.30
7.4.160.0130.00316.61
7.4.150.0070.01017.40
7.4.140.0090.00817.86
7.4.130.0120.00516.43
7.4.120.0090.00916.38
7.4.110.0160.00616.54
7.4.100.0120.01216.41
7.4.90.0130.01016.64
7.4.80.0100.00719.39
7.4.70.0080.00816.54
7.4.60.0130.00716.42
7.4.50.0080.00016.30
7.4.40.0080.00816.66
7.4.30.0080.00816.27
7.4.00.0030.01315.07
7.3.330.0060.00013.23
7.3.320.0020.00213.29
7.3.310.0050.00216.26
7.3.300.0000.00716.32
7.3.290.0070.00816.30
7.3.280.0110.00616.33
7.3.270.0100.00717.40
7.3.260.0120.00816.52
7.3.250.0090.00816.46
7.3.240.0060.01616.26
7.3.230.0090.00916.39
7.3.210.0100.00716.23
7.3.200.0130.00719.39
7.3.190.0070.01016.29
7.3.180.0120.00316.21
7.3.170.0060.00916.42
7.3.160.0050.01116.33
7.2.330.0090.01016.33
7.2.320.0060.01016.31
7.2.310.0130.00316.53
7.2.300.0070.01116.50
7.2.290.0110.01116.41
7.2.00.0000.01519.31
7.1.100.0130.00318.07
7.1.70.0030.00617.28
7.1.60.0000.01619.34
7.1.50.0060.01616.96
7.1.00.0030.07722.45
7.0.200.0130.00916.73
7.0.140.0070.07321.98
7.0.60.0100.08020.08
7.0.50.0070.05017.98
7.0.40.0070.04020.40
7.0.30.0100.05020.26
7.0.20.0230.07020.12
7.0.10.0300.04720.19
7.0.00.0070.04020.14
5.6.280.0030.07321.04
5.6.210.0070.04020.56
5.6.200.0100.04318.20
5.6.190.0030.05020.64
5.6.180.0130.07720.42
5.6.170.0230.04020.54
5.6.160.0070.03720.52
5.6.150.0030.08318.28
5.6.140.0070.05318.16
5.6.130.0070.08318.18
5.6.120.0000.04721.16
5.6.110.0030.08020.98
5.6.100.0000.04320.98
5.6.90.0100.08020.96
5.6.80.0130.07720.46
5.6.70.3870.03720.53
5.5.350.0030.08320.31
5.5.340.0100.03318.11
5.5.330.0070.08720.26
5.5.320.0270.05020.19
5.5.310.0370.08320.29
5.5.300.0070.05317.95
5.5.290.0030.04718.07
5.5.280.0070.05020.97
5.5.270.0170.07320.73
5.5.260.0070.07020.87
5.5.250.0070.08720.62
5.5.240.0100.07020.24
5.4.450.0300.04737.91
5.4.440.0430.05337.91
5.4.430.0570.05037.90
5.4.420.0470.04737.84
5.4.410.0370.04337.83
5.4.400.0330.04037.83
5.4.390.0530.03737.83
5.4.380.0130.03737.83
5.4.370.0130.04037.83
5.4.360.0270.04337.81
5.4.350.0200.03713.73
5.4.340.0270.03313.91
5.4.320.0200.05014.20
5.4.310.0270.04714.32
5.4.300.0500.04714.25
5.4.290.0330.04314.33
5.4.280.0270.05314.16
5.4.270.0130.05714.16
5.4.260.0170.04314.28
5.4.250.0130.05714.15
5.4.240.0270.04314.16
5.4.230.0170.05314.09
5.4.220.0300.04014.30
5.4.210.0230.04314.14
5.4.200.0230.04314.17
5.4.190.0130.05014.13
5.4.180.0200.04714.14
5.4.170.0330.03314.16
5.4.160.0230.03714.15
5.4.150.0230.04014.25
5.4.140.0230.04713.86
5.4.130.0170.03713.81
5.4.120.0100.04313.90
5.4.110.0130.04713.77
5.4.100.0200.03713.77
5.4.90.0130.05713.79
5.4.80.0170.04713.78
5.4.70.0200.04713.85
5.4.60.0170.04713.70
5.4.50.0070.05713.78
5.4.40.0230.04013.77
5.4.30.0130.05013.74
5.4.20.0230.04713.82
5.4.10.0230.03313.74
5.4.00.0170.03713.30
5.3.290.0130.06014.71
5.3.280.0170.05314.51
5.3.270.0200.04014.59
5.3.260.0170.04314.73
5.3.250.0200.03714.78
5.3.240.0230.04314.64
5.3.230.0100.05714.58
5.3.220.0300.04314.72
5.3.210.0230.06014.54
5.3.200.0130.04314.61
5.3.190.0230.04014.61
5.3.180.0070.05314.59
5.3.170.0070.05314.72
5.3.160.0230.06014.60
5.3.150.0270.05014.49
5.3.140.0230.04314.71
5.3.130.0070.06014.61
5.3.120.0270.04314.61
5.3.110.0200.04714.53
5.3.100.0230.04014.02
5.3.90.0170.05013.96
5.3.80.0230.03714.06
5.3.70.0100.05714.08
5.3.60.0130.04314.04
5.3.50.0200.03314.02
5.3.40.0200.03314.06
5.3.30.0170.03713.86
5.3.20.0200.03713.66
5.3.10.0130.04313.65
5.3.00.0200.05713.57
5.2.170.0130.03311.19
5.2.160.0270.02711.17
5.2.150.0130.03311.23
5.2.140.0130.03311.13
5.2.130.0130.03711.23
5.2.120.0130.03011.22
5.2.110.0070.03711.02
5.2.100.0170.02711.07
5.2.90.0130.04011.04
5.2.80.0170.03311.16
5.2.70.0100.03711.07
5.2.60.0070.04011.12
5.2.50.0170.03011.13
5.2.40.0200.02010.97
5.2.30.0170.02711.13
5.2.20.0130.03310.94
5.2.10.0100.03011.00
5.2.00.0100.03710.67
5.1.60.0130.0279.96
5.1.50.0170.0209.88
5.1.40.0030.0339.94
5.1.30.0070.03710.31
5.1.20.0200.03010.34
5.1.10.0100.03710.04
5.1.00.0100.03010.14
5.0.50.0030.0278.50
5.0.40.0130.0178.55
5.0.30.0030.0338.24
5.0.20.0030.0238.17
5.0.10.0030.0238.21
5.0.00.0070.0308.15
4.4.90.0070.0135.87
4.4.80.0000.0205.84
4.4.70.0100.0135.84
4.4.60.0000.0205.87
4.4.50.0070.0175.82
4.4.40.0070.0305.98
4.4.30.0030.0175.93
4.4.20.0070.0175.91
4.4.10.0070.0206.05
4.4.00.0070.0275.84
4.3.110.0030.0205.74
4.3.100.0070.0205.92
4.3.90.0030.0235.76
4.3.80.0070.0275.84
4.3.70.0030.0205.77
4.3.60.0030.0175.82
4.3.50.0030.0205.75
4.3.40.0000.0305.73
4.3.30.0000.0175.34
4.3.20.0070.0175.34
4.3.10.0030.0175.34
4.3.00.0030.01737.66

preferences:
39.87 ms | 401 KiB | 5 Q