3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public static function f($c) { $c->m(); return $c; } } class B { public function g($c) { $ret=A::f($c); if($ret===false) { echo "Should never print this\n"; } } } class C { public function m() { unset($b); } } $b = new B(); $b->g(new C());

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)
8.3.60.0170.00318.18
8.3.50.0140.00822.12
8.3.40.0090.00918.75
8.3.30.0070.00718.95
8.3.20.0040.00420.35
8.3.10.0060.00323.68
8.3.00.0050.00319.19
8.2.180.0100.01016.88
8.2.170.0110.00422.96
8.2.160.0100.00320.25
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0110.00426.16
8.2.120.0040.00419.23
8.2.110.0060.00322.13
8.2.100.0080.00417.59
8.2.90.0040.00419.22
8.2.80.0030.00517.97
8.2.70.0030.00717.50
8.2.60.0040.00417.55
8.2.50.0050.00318.07
8.2.40.0040.00419.89
8.2.30.0080.00018.10
8.2.20.0030.00517.63
8.2.10.0080.00017.88
8.2.00.0000.00817.66
8.1.280.0130.00325.92
8.1.270.0040.00423.91
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0090.00023.97
8.1.230.0000.01119.06
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0080.00017.23
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0040.00718.60
8.1.160.0040.00421.87
8.1.150.0050.00318.46
8.1.140.0000.00717.34
8.1.130.0030.00317.86
8.1.120.0030.00517.46
8.1.110.0000.00717.47
8.1.100.0000.00717.38
8.1.90.0070.00017.41
8.1.80.0040.00417.24
8.1.70.0030.00317.35
8.1.60.0040.00417.47
8.1.50.0040.00417.52
8.1.40.0100.00017.54
8.1.30.0050.00317.60
8.1.20.0000.00717.66
8.1.10.0040.00417.55
8.1.00.0040.00417.35
8.0.300.0000.00718.77
8.0.290.0000.00716.63
8.0.280.0000.00718.40
8.0.270.0030.00317.21
8.0.260.0000.00817.07
8.0.250.0030.00316.94
8.0.240.0060.00016.96
8.0.230.0070.00016.79
8.0.220.0000.00616.84
8.0.210.0000.00716.81
8.0.200.0030.00316.88
8.0.190.0040.00416.89
8.0.180.0040.00416.77
8.0.170.0040.00416.77
8.0.160.0030.00316.79
8.0.150.0070.00016.75
8.0.140.0000.00716.75
8.0.130.0030.00313.29
8.0.120.0000.00716.80
8.0.110.0050.00316.80
8.0.100.0040.00416.68
8.0.90.0040.00416.80
8.0.80.0070.01016.80
8.0.70.0000.00716.72
8.0.60.0000.00716.78
8.0.50.0040.00416.63
8.0.30.0070.01317.23
8.0.20.0110.00817.41
8.0.10.0080.00017.00
8.0.00.0090.01116.87
7.4.330.0030.00315.14
7.4.320.0030.00316.56
7.4.300.0060.00016.46
7.4.290.0030.00616.53
7.4.280.0000.00816.52
7.4.270.0080.00016.59
7.4.260.0000.00816.57
7.4.250.0040.00416.42
7.4.240.0020.00516.53
7.4.230.0040.00416.63
7.4.220.0090.01016.64
7.4.210.0080.00616.72
7.4.200.0040.00416.63
7.4.160.0160.00016.28
7.4.150.0040.01217.40
7.4.140.0100.00917.86
7.4.130.0100.00616.64
7.4.120.0080.01216.47
7.4.110.0130.00316.59
7.4.100.0120.00616.39
7.4.90.0060.01016.46
7.4.80.0130.01119.39
7.4.70.0130.00316.47
7.4.60.0040.01216.46
7.4.50.0060.00316.50
7.4.40.0110.00716.27
7.4.30.0060.01016.51
7.4.00.0030.01314.95
7.3.330.0030.00513.13
7.3.320.0050.00013.13
7.3.310.0000.00716.15
7.3.300.0000.00616.18
7.3.290.0060.00916.32
7.3.280.0080.00716.29
7.3.270.0150.00317.40
7.3.260.0090.00916.43
7.3.250.0090.01216.22
7.3.240.0110.00716.30
7.3.230.0100.00616.55
7.3.210.0030.01416.34
7.3.200.0100.00719.39
7.3.190.0080.00816.39
7.3.180.0080.00816.55
7.3.170.0060.00916.38
7.3.160.0120.00916.24
7.3.120.0120.00314.45
7.2.330.0090.00916.61
7.2.320.0030.01716.62
7.2.310.0090.00916.71
7.2.300.0030.01316.53
7.2.290.0090.00816.58
7.2.60.0030.00916.88
7.1.200.0110.00315.89
7.1.70.0040.00717.16
7.1.60.0120.00919.70
7.1.50.0060.01817.05
7.1.00.0100.07022.48
7.0.200.0000.00716.78
7.0.140.0000.07722.12
7.0.80.0270.06020.01
7.0.70.0030.03720.02
7.0.60.0070.03319.98
7.0.50.0200.04720.31
7.0.40.0030.09720.04
7.0.30.0100.05020.11
7.0.20.0070.08020.07
7.0.10.0070.04020.18
7.0.00.0000.09020.07
5.6.280.0130.06320.91
5.6.230.0000.04020.64
5.6.220.0100.06720.59
5.6.210.0100.03020.76
5.6.200.0030.03721.14
5.6.190.0070.03321.07
5.6.180.0070.04721.04
5.6.170.0200.03020.96
5.6.160.0100.03021.01
5.6.150.0030.03721.09
5.6.140.0100.04321.13
5.6.130.0100.08021.06
5.6.120.0000.06021.04
5.6.110.0070.04321.08
5.6.100.0070.05020.95
5.6.90.0070.06021.15
5.6.80.0070.04720.52
5.6.70.0100.07020.41
5.6.60.0000.03720.38
5.6.50.0170.02320.46
5.6.40.0070.03720.42
5.6.30.0070.04020.38
5.6.20.0100.06720.44
5.6.10.0030.07020.32
5.6.00.0030.03720.29
5.5.370.0100.06720.36
5.5.360.0000.05020.35
5.5.350.0030.04720.41
5.5.340.0030.03720.86
5.5.330.0030.07020.78
5.5.320.0130.05020.84
5.5.310.0000.07720.76
5.5.300.0030.08720.92
5.5.290.0070.04320.84
5.5.280.0100.03720.74
5.5.270.0100.07320.77
5.5.260.0030.05720.76
5.5.250.0000.05320.69
5.5.240.0100.06020.26
5.5.230.0030.03720.14
5.5.220.0030.03320.18
5.5.210.0000.08020.30
5.5.200.0030.04020.25
5.5.190.0000.04720.28
5.5.180.0070.04020.14
5.5.160.0030.03320.27
5.5.150.0130.02320.11
5.5.140.0100.02720.21
5.5.130.0070.08020.11
5.5.120.0070.03720.21
5.5.110.0070.03720.09
5.5.100.0030.05020.11
5.5.90.0130.05720.13
5.5.80.0070.05720.10
5.5.70.0070.07720.02
5.5.60.0130.06020.06
5.5.50.0030.03320.16
5.5.40.0030.05020.13
5.5.30.0070.09019.89
5.5.20.0030.04720.09
5.5.10.0030.04020.01
5.5.00.0030.04020.05
5.4.450.0100.04719.38
5.4.440.0030.04319.45
5.4.430.0100.03319.23
5.4.420.0130.05319.23
5.4.410.0070.04719.32
5.4.400.0100.02719.05
5.4.390.0070.08018.88
5.4.380.0130.05319.09
5.4.370.0070.03019.04
5.4.360.0070.04719.05
5.4.350.0070.05318.85
5.4.340.0000.03719.20
5.4.320.0100.07319.14
5.4.310.0070.06019.12
5.4.300.0100.03719.02
5.4.290.0000.04319.04
5.4.280.0030.03318.87
5.4.270.0000.04018.93
5.4.260.0130.06719.25
5.4.250.0070.03318.84
5.4.240.0130.07019.20
5.4.230.0030.05319.02
5.4.220.0030.04319.13
5.4.210.0030.03319.15
5.4.200.0070.06319.22
5.4.190.0000.04319.12
5.4.180.0000.04019.04
5.4.170.0000.06019.08
5.4.160.0030.06718.88
5.4.150.0100.03319.04
5.4.140.0070.03316.39
5.4.130.0100.03716.46
5.4.120.0070.03316.55
5.4.110.0030.04716.46
5.4.100.0070.06716.52
5.4.90.0030.03716.40
5.4.80.0070.06316.51
5.4.70.0030.03016.38
5.4.60.0070.03016.34
5.4.50.0030.03716.41
5.4.40.0070.03316.29
5.4.30.0070.06016.30
5.4.20.0070.06716.41
5.4.10.0070.07316.45
5.4.00.0130.06315.85
5.3.290.0000.06014.73
5.3.280.0000.04314.65
5.3.270.0030.03714.60
5.3.260.0070.05014.70
5.3.250.0000.04714.54
5.3.240.0030.03714.73
5.3.230.0030.04314.66
5.3.220.0000.04714.63
5.3.210.0170.05714.59
5.3.200.0030.07014.55
5.3.190.0030.05014.55
5.3.180.0200.06714.67
5.3.170.0130.06714.50
5.3.160.0030.03314.52
5.3.150.0030.05314.54
5.3.140.0130.03014.61
5.3.130.0030.05714.66
5.3.120.0000.04014.52
5.3.110.0030.04014.50
5.3.100.0070.06014.18
5.3.90.0030.07014.13
5.3.80.0070.07014.12
5.3.70.0170.02713.95
5.3.60.0030.03314.00
5.3.50.0030.03314.08
5.3.40.0100.05714.10
5.3.30.0100.02713.96
5.3.20.0000.04713.71
5.3.10.0000.05313.71
5.3.00.0100.05713.75
5.2.170.0070.02011.59
5.2.160.0030.06311.59
5.2.150.0030.03011.59
5.2.140.0030.03011.59
5.2.130.0070.05711.59
5.2.120.0100.02311.59
5.2.110.0030.06311.59
5.2.100.0070.02311.59
5.2.90.0070.03311.59
5.2.80.0000.04011.59
5.2.70.0030.03011.59
5.2.60.0030.02311.59
5.2.50.0030.05011.59
5.2.40.0030.06011.59
5.2.30.0030.03011.59
5.2.20.0000.06311.59
5.2.10.0000.03311.59
5.2.00.0000.02711.59
5.1.60.0000.04011.59
5.1.50.0000.02311.59
5.1.40.0030.02011.59
5.1.30.0000.05011.59
5.1.20.0000.05711.59
5.1.10.0000.02711.59
5.1.00.0000.03011.59
5.0.50.0030.04311.59
5.0.40.0000.02011.59
5.0.30.0030.06311.59
5.0.20.0000.04011.59
5.0.10.0070.03711.59
5.0.00.0070.03711.59
4.4.90.0030.03011.59
4.4.80.0000.01311.59
4.4.70.0070.01711.59
4.4.60.0030.01311.59
4.4.50.0000.01711.59
4.4.40.0000.03311.59
4.4.30.0030.01711.59
4.4.20.0070.03011.59
4.4.10.0030.03311.59
4.4.00.0030.05311.59
4.3.110.0000.03311.59
4.3.100.0000.03711.59
4.3.90.0000.03711.59
4.3.80.0000.02011.59
4.3.70.0000.02711.59
4.3.60.0070.01311.59
4.3.50.0000.01711.59
4.3.40.0000.02311.59
4.3.30.0030.01311.59
4.3.20.0000.01311.59
4.3.10.0030.01311.59
4.3.00.0000.02011.59

preferences:
46.82 ms | 401 KiB | 5 Q