3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array('ça', 'ne', 'marche', 'pas'); foreach($array as &$value) { unset($array); var_dump($value); var_dump($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)
8.3.60.0150.00718.40
8.3.50.0110.00321.99
8.3.40.0140.00018.71
8.3.30.0150.00019.10
8.3.20.0080.00020.17
8.3.10.0050.00322.14
8.3.00.0020.00522.46
8.2.180.0130.00618.54
8.2.170.0110.00422.96
8.2.160.0100.00619.00
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0110.00726.16
8.2.120.0040.00417.50
8.2.110.0040.00422.30
8.2.100.0090.00317.72
8.2.90.0050.00318.97
8.2.80.0000.00817.97
8.2.70.0050.00317.50
8.2.60.0000.00818.04
8.2.50.0050.00318.07
8.2.40.0040.00418.16
8.2.30.0030.00618.13
8.2.20.0000.00717.77
8.2.10.0000.00817.86
8.2.00.0040.00417.78
8.1.280.0140.00425.92
8.1.270.0040.00422.06
8.1.260.0000.00826.35
8.1.250.0040.00428.09
8.1.240.0090.00023.97
8.1.230.0110.00019.15
8.1.220.0050.00317.77
8.1.210.0040.00418.77
8.1.200.0050.00517.35
8.1.190.0050.00317.66
8.1.180.0050.00318.10
8.1.170.0030.00618.65
8.1.160.0000.00821.96
8.1.150.0040.00418.63
8.1.140.0000.00717.49
8.1.130.0030.00317.82
8.1.120.0000.00717.46
8.1.110.0080.00017.32
8.1.100.0030.00417.41
8.1.90.0050.00217.35
8.1.80.0050.00217.36
8.1.70.0000.00717.47
8.1.60.0000.01117.44
8.1.50.0000.00717.52
8.1.40.0080.00017.42
8.1.30.0000.00817.57
8.1.20.0000.00817.68
8.1.10.0040.00417.53
8.1.00.0040.00417.36
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0070.00018.36
8.0.270.0030.00317.17
8.0.260.0000.00716.86
8.0.250.0040.00416.91
8.0.240.0040.00417.02
8.0.230.0080.00017.02
8.0.220.0040.00416.95
8.0.210.0030.00316.97
8.0.200.0040.00417.01
8.0.190.0080.00016.98
8.0.180.0030.00516.88
8.0.170.0000.00716.98
8.0.160.0040.00416.82
8.0.150.0060.00316.93
8.0.140.0070.00016.84
8.0.130.0000.00613.34
8.0.120.0040.00416.80
8.0.110.0040.00416.86
8.0.100.0000.00716.81
8.0.90.0000.00816.94
8.0.80.0120.00616.83
8.0.70.0080.00016.86
8.0.60.0000.00716.83
8.0.50.0000.00716.82
8.0.30.0090.00917.15
8.0.20.0090.00917.40
8.0.10.0000.00817.09
8.0.00.0100.00916.87
7.4.330.0030.00315.01
7.4.320.0000.00616.51
7.4.300.0000.00616.50
7.4.290.0000.00716.59
7.4.280.0040.00416.48
7.4.270.0000.00716.60
7.4.260.0000.00716.55
7.4.250.0070.00016.54
7.4.240.0040.00416.56
7.4.230.0040.00416.25
7.4.220.0070.01016.44
7.4.210.0100.00716.59
7.4.200.0040.00416.29
7.4.190.0030.00316.53
7.4.160.0080.00816.52
7.4.150.0060.01217.40
7.4.140.0070.01217.86
7.4.130.0100.01116.54
7.4.120.0060.01116.50
7.4.110.0100.01316.44
7.4.100.0110.00716.63
7.4.90.0070.01116.46
7.4.80.0100.00619.39
7.4.70.0140.00316.47
7.4.60.0030.01316.49
7.4.50.0030.00316.26
7.4.40.0070.00722.77
7.4.30.0100.00716.58
7.4.00.0060.01114.99
7.3.330.0000.00513.23
7.3.320.0060.00013.25
7.3.310.0050.00316.26
7.3.300.0030.00316.37
7.3.290.0070.00716.30
7.3.280.0070.01016.34
7.3.270.0100.00717.40
7.3.260.0040.01516.29
7.3.250.0100.01016.44
7.3.240.0100.00716.47
7.3.230.0050.01116.48
7.3.210.0030.01316.39
7.3.200.0060.01619.39
7.3.190.0130.00516.56
7.3.180.0040.01116.52
7.3.170.0130.00416.52
7.3.160.0060.00916.26
7.3.120.0050.01214.73
7.3.110.0140.00314.82
7.3.100.0090.00614.83
7.3.90.0060.00914.74
7.3.80.0070.01014.74
7.3.70.0030.00614.63
7.3.60.0120.00414.89
7.3.50.0040.01214.88
7.3.40.0040.00714.86
7.3.30.0030.01314.96
7.3.20.0000.00916.70
7.3.10.0070.00716.69
7.3.00.0060.00616.66
7.2.330.0140.00416.73
7.2.320.0120.01516.62
7.2.310.0070.01016.61
7.2.300.0060.01516.30
7.2.290.0190.00316.42
7.2.250.0150.00414.95
7.2.240.0030.01715.02
7.2.230.0000.00914.59
7.2.220.0000.01114.73
7.2.210.0070.01115.21
7.2.200.0000.01815.07
7.2.190.0130.00314.91
7.2.180.0040.01114.84
7.2.170.0090.00614.88
7.1.330.0120.00315.70
7.1.320.0030.01015.70
7.1.310.0060.00915.93
7.1.300.0090.00615.56
7.1.290.0110.00415.57
7.1.280.0110.00415.69
7.1.270.0000.01215.80
7.1.260.0000.01215.83
7.1.200.0100.00315.70
7.1.70.0000.00816.86
7.1.60.0110.01419.82
7.1.50.0040.01116.89
7.1.00.0000.07722.40
7.0.200.0100.00316.89
7.0.140.0000.07722.08
7.0.60.0100.07319.91
7.0.50.0030.06717.88
7.0.40.0100.07720.02
7.0.30.0370.06720.02
7.0.20.0330.05020.21
7.0.10.0200.08020.09
7.0.00.0030.05020.03
5.6.280.0070.07020.89
5.6.210.0070.04020.63
5.6.200.0030.08318.13
5.6.190.0100.03720.60
5.6.180.4170.03720.27
5.6.170.0300.07320.38
5.6.160.0170.06720.40
5.6.150.0000.04318.08
5.6.140.0030.08718.14
5.6.130.0030.04718.11
5.6.120.0100.08720.98
5.6.110.0170.08320.98
5.6.100.0070.09021.10
5.6.90.0030.05021.10
5.6.80.0070.08020.37
5.6.70.0330.07020.50
5.5.350.0000.06020.39
5.5.340.0070.08018.00
5.5.330.0070.04020.43
5.5.320.0130.04320.29
5.5.310.0270.07720.17
5.5.300.0170.06717.98
5.5.290.0130.07017.92
5.5.280.0070.08320.94
5.5.270.0070.04020.73
5.5.260.0030.08320.80
5.5.250.0030.06020.68
5.5.240.0100.06320.34
5.4.450.0070.06019.25
5.4.440.0570.06019.46
5.4.430.0070.06019.50
5.4.420.0130.06019.46
5.4.410.0170.07019.58
5.4.400.0770.00018.54
5.4.390.0800.00018.59
5.4.380.0230.05318.63
5.4.370.0330.03318.67
5.4.360.0330.04018.74
5.4.350.0200.04718.54
5.4.340.0230.05718.61
5.4.320.0030.04212.45
5.4.310.0010.04312.45
5.4.300.0070.04112.45
5.4.290.0110.04112.45
5.4.280.0050.04012.35
5.4.270.0030.06718.73
5.4.260.0130.07018.98
5.4.250.0030.05718.70
5.4.240.0200.06019.01
5.4.230.0070.07018.88
5.4.220.0030.06018.91
5.4.210.0100.07718.84
5.4.200.0100.04718.86
5.4.190.0130.05318.65
5.4.180.0130.04718.89
5.4.170.0200.06018.66
5.4.160.0070.07018.79
5.4.150.0270.06318.60
5.4.140.0070.05316.25
5.4.130.0070.07016.29
5.4.120.0100.04716.25
5.4.110.0030.05716.36
5.4.100.0130.04716.42
5.4.90.0130.04716.36
5.4.80.0170.06016.45
5.4.70.0030.05016.23
5.4.60.0070.05316.28
5.4.50.0100.04716.43
5.4.40.0100.04716.51
5.4.30.0100.05716.13
5.4.20.0200.05716.27
5.4.10.0030.05716.43
5.4.00.0100.04715.88
5.3.290.0070.04012.80
5.3.280.0000.05714.49
5.3.270.0130.06714.60
5.3.260.0030.05314.48
5.3.250.0030.05714.63
5.3.240.0030.06714.44
5.3.230.0100.05714.62
5.3.220.0070.06014.48
5.3.210.0030.05314.58
5.3.200.0130.07014.49
5.3.190.0170.06014.57
5.3.180.0070.05014.58
5.3.170.0100.07014.26
5.3.160.0130.04714.58
5.3.150.0130.06714.43
5.3.140.0100.04714.57
5.3.130.0100.07014.59
5.3.120.0070.05314.54
5.3.110.0030.07714.32
5.3.100.0030.07314.03
5.3.90.0130.06314.05
5.3.80.0100.06013.88
5.3.70.0170.05714.17
5.3.60.0170.04713.69
5.3.50.0100.04713.80
5.3.40.0070.04714.10
5.3.30.0100.05314.00
5.3.20.0070.07013.70
5.3.10.0170.04013.65
5.3.00.0030.05713.73
5.2.170.0030.06011.07
5.2.160.0130.04711.16
5.2.150.0070.06011.26
5.2.140.0030.06011.04
5.2.130.0030.04011.25
5.2.120.0100.03711.11
5.2.110.0070.05010.86
5.2.100.0070.04010.85
5.2.90.0030.04011.11
5.2.80.0000.04711.12
5.2.70.0030.04711.11
5.2.60.0000.04310.88
5.2.50.0070.05310.85
5.2.40.0030.04011.01
5.2.30.0130.03310.98
5.2.20.0070.05310.86
5.2.10.0030.04010.76
5.2.00.0070.05010.79
5.1.60.0070.03710.05
5.1.50.0100.03310.18
5.1.40.0000.0379.82
5.1.30.0070.03310.48
5.1.20.0030.05710.24
5.1.10.0070.03310.15
5.1.00.0100.04710.09
5.0.50.0000.0308.32
5.0.40.0070.0238.64
5.0.30.0070.0508.14
5.0.20.0100.0278.38
5.0.10.0030.0278.16
5.0.00.0030.0438.21
4.4.90.0030.0206.85
4.4.80.0030.0306.85
4.4.70.0000.0306.85
4.4.60.0000.0236.85
4.4.50.0000.0236.85
4.4.40.0000.0336.85
4.4.30.0000.0306.85
4.4.20.0030.0206.85
4.4.10.0000.0236.85
4.4.00.0030.0336.85
4.3.110.0000.0236.85
4.3.100.0000.0236.85
4.3.90.0070.0236.85
4.3.80.0030.0306.85
4.3.70.0130.0236.85
4.3.60.0000.0236.85
4.3.50.0030.0276.85
4.3.40.0030.0306.85
4.3.30.0000.0306.85
4.3.20.0000.0306.85
4.3.10.0000.0236.85
4.3.00.0070.0237.38

preferences:
47.72 ms | 401 KiB | 5 Q