3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = 1; var_dump((unset)$x++); var_dump($x);

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)
8.3.60.0070.01118.43
8.3.50.0090.00921.00
8.3.40.0070.00718.70
8.3.30.0100.00718.42
8.3.20.0070.00020.34
8.3.10.0100.00723.67
8.3.00.0050.00223.54
8.2.180.0120.00916.63
8.2.170.0140.00022.96
8.2.160.0100.00322.11
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0040.00419.36
8.2.110.0120.00019.45
8.2.100.0080.00417.50
8.2.90.0000.00719.05
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0070.00417.55
8.2.50.0080.00018.07
8.2.40.0000.00821.11
8.2.30.0000.00819.61
8.2.20.0030.00617.58
8.2.10.0020.00518.03
8.2.00.0000.00717.91
8.1.280.0120.00625.92
8.1.270.0060.00320.25
8.1.260.0050.00326.35
8.1.250.0160.00328.09
8.1.240.0050.00522.09
8.1.230.0090.00317.42
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0000.00917.22
8.1.190.0050.00316.88
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0040.00421.81
8.1.150.0000.00718.68
8.1.140.0050.00317.31
8.1.130.0030.00317.52
8.1.120.0040.00417.36
8.1.110.0040.00417.23
8.1.100.0000.00917.32
8.1.90.0000.00817.36
8.1.80.0000.00717.20
8.1.70.0030.00317.29
8.1.60.0000.00717.49
8.1.50.0000.00817.27
8.1.40.0080.00017.17
8.1.30.0030.00617.21
8.1.20.0000.00717.53
8.1.10.0060.00317.41
8.1.00.0040.00417.29
8.0.300.0040.00418.77
8.0.290.0040.00416.58
8.0.280.0080.00318.18
8.0.270.0070.00017.07
8.0.260.0040.00416.98
8.0.250.0000.00716.91
8.0.240.0000.00616.88
8.0.230.0070.00016.75
8.0.220.0070.00316.68
8.0.210.0000.00816.81
8.0.200.0030.00316.83
8.0.190.0000.00816.75
8.0.180.0070.00016.84
8.0.170.0060.00316.83
8.0.160.0030.00416.73
8.0.150.0000.00716.76
8.0.140.0030.00316.82
8.0.130.0000.00513.24
8.0.120.0040.00416.79
8.0.110.0040.00416.80
8.0.100.0040.00416.66
8.0.90.0070.00016.85
8.0.80.0060.01016.71
8.0.70.0000.00816.70
8.0.60.0030.00516.70
8.0.50.0000.00716.68
8.0.30.0060.00916.86
8.0.20.0100.01317.40
8.0.10.0030.00316.79
8.0.00.0120.00616.67
7.4.330.0050.00015.08
7.4.320.0030.00316.57
7.4.300.0070.00016.49
7.4.290.0030.00316.50
7.4.280.0000.00716.57
7.4.270.0000.00716.50
7.4.260.0060.00016.48
7.4.250.0000.00716.46
7.4.240.0050.00216.54
7.4.230.0000.00716.61
7.4.220.0100.01616.53
7.4.210.0060.00916.64
7.4.200.0080.00016.63
7.4.160.0140.00316.58
7.4.150.0190.00317.40
7.4.140.0140.00917.86
7.4.130.0040.01516.49
7.4.120.0100.00616.45
7.4.110.0170.00016.35
7.4.100.0150.00316.43
7.4.90.0080.00816.61
7.4.80.0090.01219.39
7.4.70.0060.01216.42
7.4.60.0060.01316.48
7.4.50.0040.00416.49
7.4.40.0060.01016.48
7.4.30.0110.00816.32
7.4.00.0050.01214.99
7.3.330.0000.00613.20
7.3.320.0000.00513.18
7.3.310.0030.00316.21
7.3.300.0030.00316.28
7.3.290.0050.01016.28
7.3.280.0060.01216.25
7.3.270.0120.00617.40
7.3.260.0130.00416.53
7.3.250.0060.01116.36
7.3.240.0040.01216.15
7.3.230.0030.01416.42
7.3.210.0120.00616.30
7.3.200.0060.01616.32
7.3.190.0170.00016.53
7.3.180.0130.00316.35
7.3.170.0080.01116.29
7.3.160.0100.00716.24
7.3.120.0040.01514.83
7.3.110.0070.01014.63
7.3.100.0100.00314.99
7.3.90.0060.00814.90
7.3.80.0030.00714.90
7.3.70.0040.01214.65
7.3.60.0060.01214.86
7.3.50.0070.00714.75
7.3.40.0070.00714.94
7.3.30.0030.01314.66
7.3.20.0030.01016.60
7.3.10.0070.00716.39
7.3.00.0060.00316.76
7.2.330.0180.00616.58
7.2.320.0230.00016.68
7.2.310.0060.01216.23
7.2.300.0080.01516.71
7.2.290.0040.01216.64
7.2.250.0030.01515.07
7.2.240.0060.01014.92
7.2.230.0050.00515.07
7.2.220.0060.00914.86
7.2.210.0030.00614.62
7.2.200.0060.01215.01
7.2.190.0000.01414.98
7.2.180.0070.00714.83
7.2.170.0070.01014.95
7.2.60.0120.00416.85
7.1.330.0060.01015.74
7.1.320.0030.01015.80
7.1.310.0110.00415.89
7.1.300.0060.00615.77
7.1.290.0070.00715.74
7.1.280.0120.00315.65
7.1.270.0040.00815.69
7.1.260.0100.00315.95
7.1.200.0120.00015.56
7.1.70.0090.00517.15
7.1.60.0040.01519.12
7.1.50.0070.01316.99
7.1.00.0030.07722.31
7.0.200.0210.00416.80
7.0.60.0030.07019.99
7.0.50.0130.05017.83
7.0.40.0100.07019.98
7.0.30.0330.08020.09
7.0.20.0370.08020.20
7.0.10.0030.05720.04
7.0.00.0100.08320.08
5.6.280.0000.07321.11
5.6.210.0100.03720.60
5.6.200.0000.08718.13
5.6.190.0070.04320.33
5.6.180.0470.05320.35
5.6.170.0300.06720.42
5.6.160.0070.07720.61
5.6.150.0000.04318.09
5.6.140.0000.07718.12
5.6.130.0170.03018.16
5.6.120.0070.04321.11
5.6.110.0030.04320.88
5.6.100.0070.08721.01
5.6.90.0100.03321.02
5.6.80.0030.08720.37
5.5.350.0030.07720.40
5.5.340.0030.08317.97
5.5.330.0100.08020.28
5.5.320.0270.08020.27
5.5.310.0300.07320.24
5.5.300.0070.06717.98
5.5.290.0000.04317.96
5.5.280.0000.04720.88
5.5.270.0130.07320.88
5.5.260.0030.08320.71
5.5.250.0070.04320.58
5.5.240.0070.08020.26
5.4.450.0800.06019.61
5.4.440.0770.06019.58
5.4.430.0830.05319.44
5.4.420.0970.05019.10
5.4.410.1130.04719.36
5.4.400.0600.06019.16
5.4.390.0730.04719.31
5.4.380.0630.03719.15
5.4.370.0330.05019.11
5.4.360.0100.05018.80
5.4.350.0130.04719.13
5.4.340.0700.06719.22
5.4.320.1030.06019.31
5.4.310.0700.06019.16
5.4.300.0600.05719.23
5.4.290.0430.06318.95
5.4.280.0130.05019.25
5.4.270.0600.05318.95
5.4.260.0200.05019.21
5.4.250.0670.04719.10
5.4.240.0800.06018.90
5.4.230.0730.04019.16
5.4.220.0770.05318.94
5.4.210.0800.05319.27
5.4.200.0870.03716.69
5.4.190.0800.05018.95
5.4.180.1070.05318.92
5.4.170.0830.07319.11
5.4.160.0770.05018.94
5.4.150.0600.06718.93
5.4.140.0800.05016.33
5.4.130.0630.05016.35
5.4.120.0870.06016.48
5.4.110.0670.05716.57
5.4.100.0930.05016.32
5.4.90.0300.05016.25
5.4.80.0500.05016.16
5.4.70.0470.05716.45
5.4.60.0600.05716.23
5.4.50.0570.05316.45
5.4.40.0430.05316.25
5.4.30.0570.04316.35
5.4.20.0200.04716.44
5.4.10.0130.05716.44
5.4.00.0770.04715.80
5.3.290.0600.06014.61
5.3.280.0770.05014.40
5.3.270.0670.06014.47
5.3.260.0470.05314.46
5.3.250.0670.05014.45
5.3.240.0100.05714.44
5.3.230.0470.05714.68
5.3.220.0670.05314.39
5.3.210.0270.05014.40
5.3.200.0100.05014.54
5.3.190.0170.06014.57
5.3.180.0200.04314.41
5.3.170.0170.04714.41
5.3.160.0130.05014.44
5.3.150.0200.04714.44
5.3.140.0130.05314.57
5.3.130.0170.05314.48
5.3.120.0130.06314.39
5.3.110.0130.05314.50
5.3.100.0070.05713.89
5.3.90.0070.05314.00
5.3.80.0100.05013.89
5.3.70.0130.04713.98
5.3.60.0230.04313.98
5.3.50.0070.06713.78
5.3.40.0200.04013.89
5.3.30.0070.05713.75
5.3.20.0170.04313.48
5.3.10.0130.05013.50
5.3.00.0130.05013.57
5.2.170.0170.03710.96
5.2.160.0170.03711.13
5.2.150.0170.03711.14
5.2.140.0070.04310.98
5.2.130.0100.04011.18
5.2.120.0100.03711.04
5.2.110.0130.03710.94
5.2.100.0100.04310.98
5.2.90.0100.04311.18
5.2.80.0070.04710.93
5.2.70.0130.04711.03
5.2.60.0100.04010.89
5.2.50.0170.03710.80
5.2.40.0100.03710.85
5.2.30.0000.05010.81
5.2.20.0200.03310.80
5.2.10.0030.04710.75
5.2.00.0070.04310.68
5.1.60.0000.0409.91
5.1.50.0200.02310.01
5.1.40.0030.0379.86
5.1.30.0070.04010.38
5.1.20.0100.03310.50
5.1.10.0070.0379.99
5.1.00.0170.02310.11
5.0.50.0070.0278.47
5.0.40.0170.0178.34
5.0.30.0170.0478.27
5.0.20.0070.0338.21
5.0.10.0030.0308.31
5.0.00.0070.0437.99
4.4.90.0070.0206.73
4.4.80.0030.0236.73
4.4.70.0070.0236.73
4.4.60.0000.0276.73
4.4.50.0030.0236.73
4.4.40.0070.0336.73
4.4.30.0070.0206.73
4.4.20.0070.0206.73
4.4.10.0030.0276.73
4.4.00.0130.0276.73
4.3.110.0030.0236.73
4.3.100.0070.0206.73
4.3.90.0030.0236.73
4.3.80.0100.0376.73
4.3.70.0070.0236.73
4.3.60.0030.0206.73
4.3.50.0130.0236.73
4.3.40.0100.0306.73
4.3.30.0070.0176.73
4.3.20.0100.0176.73
4.3.10.0070.0176.73
4.3.00.0100.0237.24

preferences:
59.73 ms | 401 KiB | 5 Q