3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = .0; $x = -$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)
8.3.40.0090.00618.66
8.3.30.0110.00318.59
8.3.20.0000.00720.06
8.3.10.0030.00621.73
8.3.00.0040.00423.54
8.2.170.0100.00718.91
8.2.160.0100.00622.96
8.2.150.0000.00825.66
8.2.140.0040.00424.66
8.2.130.0040.00419.95
8.2.120.0070.00026.35
8.2.110.0030.00622.25
8.2.100.0040.00817.85
8.2.90.0040.00418.03
8.2.80.0000.00818.04
8.2.70.0040.00417.63
8.2.60.0070.00318.05
8.2.50.0050.00318.07
8.2.40.0050.00520.34
8.2.30.0030.00620.49
8.2.20.0040.00417.66
8.2.10.0040.00418.14
8.2.00.0050.00218.04
8.1.270.0110.00423.96
8.1.260.0050.00528.09
8.1.250.0070.00028.09
8.1.240.0030.00522.10
8.1.230.0040.00720.93
8.1.220.0000.00917.74
8.1.210.0070.00318.77
8.1.200.0070.00317.35
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00318.45
8.1.160.0050.00220.61
8.1.150.0040.00418.82
8.1.140.0040.00419.49
8.1.130.0070.00017.67
8.1.120.0000.00717.38
8.1.110.0050.00317.42
8.1.100.0040.00417.43
8.1.90.0040.00417.39
8.1.80.0040.00417.41
8.1.70.0070.00017.43
8.1.60.0050.00317.43
8.1.50.0000.00917.43
8.1.40.0030.00617.45
8.1.30.0030.00517.54
8.1.20.0000.00717.59
8.1.10.0040.00417.46
8.1.00.0000.00817.47
8.0.300.0040.00420.08
8.0.290.0080.00016.61
8.0.280.0000.00718.43
8.0.270.0070.00017.30
8.0.260.0030.00317.23
8.0.250.0040.00416.90
8.0.240.0000.00616.95
8.0.230.0000.00716.89
8.0.220.0070.00016.81
8.0.210.0000.00716.68
8.0.200.0030.00316.91
8.0.190.0050.00316.87
8.0.180.0000.00716.88
8.0.170.0040.00416.91
8.0.160.0070.00016.86
8.0.150.0040.00416.75
8.0.140.0070.00016.75
8.0.130.0030.00313.28
8.0.120.0030.00616.74
8.0.110.0040.00416.88
8.0.100.0000.00816.70
8.0.90.0050.00216.88
8.0.80.0090.00616.88
8.0.70.0070.00016.69
8.0.60.0000.00716.79
8.0.50.0040.00416.61
8.0.30.0110.00817.15
8.0.20.0180.00617.40
8.0.10.0030.00516.88
8.0.00.0080.00916.69
7.4.330.0000.00516.67
7.4.320.0050.00316.53
7.4.300.0030.00516.57
7.4.290.0030.00316.53
7.4.280.0000.00916.39
7.4.270.0000.00716.54
7.4.260.0000.00716.55
7.4.250.0070.00016.25
7.4.240.0030.00316.48
7.4.230.0070.00016.52
7.4.220.0060.01916.42
7.4.210.0120.00916.63
7.4.200.0070.00016.64
7.4.160.0180.00016.32
7.4.150.0140.00417.40
7.4.140.0150.00617.86
7.4.130.0090.01116.31
7.4.120.0090.00816.40
7.4.110.0100.01316.44
7.4.100.0130.01016.40
7.4.90.0130.00616.43
7.4.80.0130.00319.39
7.4.70.0130.00316.42
7.4.60.0070.01016.36
7.4.50.0110.00716.48
7.4.40.0090.00916.36
7.4.30.0110.00716.56
7.4.00.0040.00814.76
7.3.330.0000.00612.95
7.3.320.0000.00612.90
7.3.310.0000.00716.27
7.3.300.0060.00016.18
7.3.290.0070.00816.19
7.3.280.0060.01016.15
7.3.270.0040.01417.40
7.3.260.0110.00716.40
7.3.250.0100.00816.27
7.3.240.0110.01016.22
7.3.230.0060.01116.39
7.3.210.0190.00816.35
7.3.200.0120.01219.39
7.3.190.0110.01116.25
7.3.180.0110.01016.14
7.3.170.0140.00716.27
7.3.160.0060.01116.33
7.3.120.0100.00714.45
7.3.110.0060.01014.64
7.3.100.0000.01614.59
7.3.90.0090.00414.98
7.3.80.0000.01114.62
7.3.70.0030.01014.82
7.3.60.0060.00314.74
7.3.50.0040.00814.76
7.3.40.0000.00914.50
7.3.30.0050.00514.47
7.3.20.0030.00916.37
7.3.10.0060.00616.61
7.3.00.0040.00816.54
7.2.330.0070.01016.54
7.2.320.0170.01116.23
7.2.310.0130.00316.61
7.2.300.0090.01416.48
7.2.290.0060.01216.23
7.2.250.0080.00814.75
7.2.240.0100.01015.07
7.2.230.0030.01314.83
7.2.220.0050.00515.06
7.2.210.0040.00814.88
7.2.200.0060.00914.69
7.2.190.0040.01215.04
7.2.180.0100.00614.84
7.2.170.0040.00715.00
7.2.60.0000.01016.77
7.2.00.0000.00819.07
7.1.330.0100.00715.80
7.1.320.0070.00715.64
7.1.310.0070.00715.87
7.1.300.0040.01115.75
7.1.290.0040.00415.63
7.1.280.0070.00315.52
7.1.270.0040.00815.77
7.1.260.0100.00615.70
7.1.200.0060.00315.79
7.1.100.0090.00418.03
7.1.70.0040.00417.23
7.1.60.0060.01919.27
7.1.50.0100.01016.99
7.1.00.0070.07322.34
7.0.200.0030.00616.46
7.0.60.0130.07321.77
7.0.50.0070.05017.84
7.0.40.0070.07320.35
7.0.30.0200.04720.02
7.0.20.0330.08020.18
7.0.10.0070.06320.09
7.0.00.0100.06020.16
5.6.280.0070.04020.99
5.6.210.0070.07720.76
5.6.200.0030.05718.16
5.6.190.0100.04320.61
5.6.180.0130.05020.41
5.6.170.0230.05720.49
5.6.160.0070.06020.44
5.6.150.0030.04318.20
5.6.140.0030.04318.19
5.6.130.0030.08718.15
5.6.120.0000.05021.01
5.6.110.0130.08021.02
5.6.100.0070.07021.03
5.6.90.0130.08320.99
5.6.80.0100.07720.40
5.5.350.0030.08320.31
5.5.340.0030.06717.96
5.5.330.0100.08020.20
5.5.320.0270.05720.39
5.5.310.0230.07320.27
5.5.300.0070.07718.03
5.5.290.0100.07717.92
5.5.280.0130.06020.84
5.5.270.0070.03720.64
5.5.260.0070.05720.88
5.5.250.0000.07020.60
5.5.240.0000.07720.15

preferences:
41.28 ms | 400 KiB | 5 Q