3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $foo; public function __wakeup() { echo 'In foo', PHP_EOL, PHP_EOL; $this->foo = null; } public function __destruct() { echo 'Destruct foo', PHP_EOL, PHP_EOL; } } class Bar { public $bar; public function __wakeup() { echo 'In bar', PHP_EOL, PHP_EOL; $this->bar = null; } public function __destruct() { echo 'Destruct bar', PHP_EOL, PHP_EOL; throw new \Exception('x'); } } $f = new Foo; $b = new Bar; $f->foo = $b; $b->bar = $f; try { var_dump(unserialize(serialize([$f]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL; try { var_dump(unserialize(serialize([$f, $b]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL; try { var_dump(unserialize(serialize([$b, $f]))); } catch (\Throwable $e) { echo $e, PHP_EOL, PHP_EOL; } echo "==========", PHP_EOL, PHP_EOL;

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)
8.3.60.0080.01518.56
8.3.50.0110.01120.49
8.3.40.0110.00320.06
8.3.30.0130.00318.66
8.3.20.0060.00324.18
8.3.10.0040.00424.66
8.3.00.0040.00426.16
8.2.180.0130.00625.92
8.2.170.0150.00618.94
8.2.160.0070.00722.96
8.2.150.0000.00725.66
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00019.76
8.2.110.0090.00020.53
8.2.100.0030.00818.03
8.2.90.0060.00317.50
8.2.80.0040.00418.90
8.2.70.0050.00317.50
8.2.60.0000.00917.63
8.2.50.0050.00518.05
8.2.40.0040.00419.95
8.2.30.0000.00718.01
8.2.20.0060.00319.29
8.2.10.0030.00618.16
8.2.00.0090.00019.28
8.1.280.0220.00025.92
8.1.270.0040.00424.66
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0040.00822.12
8.1.230.0050.00520.86
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0050.00317.48
8.1.190.0040.00417.63
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0040.00418.88
8.1.150.0070.00018.68
8.1.140.0000.00817.49
8.1.130.0030.00618.92
8.1.120.0040.00417.57
8.1.110.0100.00617.39
8.1.100.0080.00817.43
8.1.90.0100.00517.30
8.1.80.0080.00817.33
8.1.70.0090.00617.43
8.1.60.0120.00617.46
8.1.50.0030.01017.52
8.1.40.0100.00017.52
8.1.30.0130.00617.48
8.1.20.0130.00517.66
8.1.10.0090.00917.52
8.1.00.0180.00017.43
8.0.300.0050.00318.77
8.0.290.0000.00816.75
8.0.280.0000.00718.54
8.0.270.0070.00017.19
8.0.260.0030.00318.39
8.0.250.0000.00716.96
8.0.240.0080.00017.02
8.0.230.0000.01516.91
8.0.220.0150.00016.93
8.0.210.0070.00716.89
8.0.200.0090.00616.81
8.0.190.0070.00716.93
8.0.180.0080.00816.86
8.0.170.0060.00916.93
8.0.160.0160.00016.87
8.0.150.0120.00316.85
8.0.140.0140.00016.79
8.0.130.0100.00516.73
8.0.120.0080.00816.83
8.0.110.0110.00416.91
8.0.100.0050.01016.96
8.0.90.0100.00516.87
8.0.80.0130.00316.96
8.0.70.0110.00416.77
8.0.60.0040.01116.88
8.0.50.0090.00916.95
8.0.30.0150.00016.89
8.0.20.0100.00516.90
8.0.10.0090.00617.13
8.0.00.0100.00517.00
7.4.330.0050.00015.55
7.4.320.0130.00316.38
7.4.300.0130.00316.60
7.4.290.0090.00616.54
7.4.280.0110.00616.42
7.4.270.0110.00516.59
7.4.260.0090.00616.46
7.4.250.0140.00316.53
7.4.240.0080.00816.50
7.4.230.0110.00516.57
7.4.220.0060.00916.59
7.4.210.0050.00916.51
7.4.200.0140.00016.46
7.4.190.0060.00316.54
7.4.180.0070.00316.45
7.4.160.0080.00416.63
7.4.150.0030.01116.47
7.4.140.0050.00716.44
7.4.130.0050.00516.45
7.4.120.0030.00316.45
7.4.110.0030.00316.56
7.4.100.0030.00316.49
7.4.90.0040.00416.52
7.4.80.0000.00716.38
7.4.70.0000.00716.49
7.4.60.0060.00016.32
7.4.50.0030.00316.47
7.4.40.0030.00316.29
7.4.30.0100.00016.32
7.4.20.0060.00316.31
7.4.10.0000.00816.45
7.4.00.0050.00516.36
7.3.330.0110.00416.23
7.3.320.0090.00616.24
7.3.310.0100.00516.30
7.3.300.0120.00316.44
7.3.290.0110.00416.21
7.3.280.0080.00716.43
7.3.270.0140.00016.29
7.3.260.0110.00416.23
7.3.250.0150.00016.26
7.3.240.0130.00216.41
7.3.230.0080.00716.20
7.3.220.0120.00316.25
7.3.210.0070.00716.26
7.3.200.0070.00716.16
7.3.190.0090.00616.35
7.3.180.0120.00416.35
7.3.170.0120.00316.18
7.3.160.0050.00916.30
7.3.150.0090.00616.31
7.3.140.0080.00816.42
7.3.130.0000.01416.35
7.3.120.0110.00316.44
7.3.110.0120.00416.28
7.3.100.0090.00516.22
7.3.90.0090.00516.76
7.3.80.0150.00016.38
7.3.70.0130.00316.40
7.3.60.0140.00016.46
7.3.50.0090.00516.46
7.3.40.0050.00916.32
7.3.30.0090.00616.55
7.3.20.0150.00018.15
7.3.10.0150.00018.17
7.3.00.0130.00218.01
7.2.340.0140.00016.21
7.2.330.0120.00416.27
7.2.320.0110.00416.38
7.2.310.0100.00516.31
7.2.300.0080.00716.36
7.2.290.0120.00216.34
7.2.280.0050.01016.43
7.2.270.0110.00416.20
7.2.260.0120.00416.39
7.2.250.0140.00016.41
7.2.240.0050.01016.19
7.2.230.0120.00216.28
7.2.220.0090.00616.21
7.2.210.0120.00316.43
7.2.200.0130.00316.46
7.2.190.0110.00416.40
7.2.180.0110.00416.38
7.2.170.0110.00316.69
7.2.160.0120.00216.51
7.2.150.0100.00518.46
7.2.140.0150.00018.33
7.2.130.0120.00318.34
7.2.120.0080.00718.38
7.2.110.0090.00618.49
7.2.100.0110.00318.53
7.2.90.0110.00618.61
7.2.80.0090.00618.46
7.2.70.0100.00518.47
7.2.60.0150.00018.48
7.2.50.0150.00018.50
7.2.40.0090.00618.48
7.2.30.0160.00018.30
7.2.20.0160.00018.55
7.2.10.0080.00818.48
7.2.00.0130.00418.59
7.1.330.0110.00317.30
7.1.320.0080.00617.34
7.1.310.0120.00217.40
7.1.300.0050.00917.18
7.1.290.0110.00417.25
7.1.280.0070.00717.30
7.1.270.0090.00417.28
7.1.260.0130.00017.25
7.1.250.0100.00517.26
7.1.240.0100.00317.17
7.1.230.0100.00417.17
7.1.220.0150.00017.18
7.1.210.0120.00317.32
7.1.200.0110.00417.35
7.1.190.0070.00717.34
7.1.180.0080.00617.21
7.1.170.0090.00517.08
7.1.160.0070.00717.25
7.1.150.0080.00517.23
7.1.140.0070.00717.28
7.1.130.0070.00717.08
7.1.120.0110.00417.07
7.1.110.0090.00517.35
7.1.100.0100.00317.32
7.1.90.0110.00417.29
7.1.80.0080.00517.13
7.1.70.0130.00017.14
7.1.60.0100.00517.11
7.1.50.0080.00917.25
7.1.40.0120.00217.07
7.1.30.0130.00217.38
7.1.20.0070.00717.22
7.1.10.0120.00217.31
7.1.00.0150.00017.11
7.0.330.0100.00316.89
7.0.320.0070.00617.06
7.0.310.0070.00716.98
7.0.300.0080.00516.87
7.0.290.0090.00417.10
7.0.280.0050.00817.01
7.0.270.0100.00416.79
7.0.260.0120.00417.15
7.0.250.0130.00317.06
7.0.240.0120.00317.12
7.0.230.0150.00017.05
7.0.220.0130.00217.15
7.0.210.0070.00816.99
7.0.200.0120.00317.09
7.0.190.0100.00517.02
7.0.180.0110.00617.07
7.0.170.0100.00517.05
7.0.160.0140.00316.86
7.0.150.0150.00017.09
7.0.140.0040.01116.81
7.0.130.0120.00617.16
7.0.120.0120.00416.95
7.0.110.0140.00217.07
7.0.100.0090.00516.80
7.0.90.0100.00616.83
7.0.80.0100.00516.73
7.0.70.0100.00516.96
7.0.60.0100.00616.91
7.0.50.0120.00316.75
7.0.40.0110.00417.19
7.0.30.0130.00317.11
7.0.20.0160.00017.02
7.0.10.0130.00316.89
7.0.00.0080.00717.00
5.6.400.0100.00515.69
5.6.390.0110.00515.70
5.6.380.0090.00515.74
5.6.370.0080.00815.70
5.6.360.0150.00015.82
5.6.350.0140.00015.90
5.6.340.0150.00015.84
5.6.330.0050.01115.81
5.6.320.0070.00715.85
5.6.310.0130.00315.70
5.6.300.0080.00815.73
5.6.290.0140.00015.70
5.6.280.0040.01215.74
5.6.270.0100.00515.79
5.6.260.0120.00315.70
5.6.250.0140.00015.79
5.6.240.0140.00315.92
5.6.230.0150.00015.80
5.6.220.0100.00615.97
5.6.210.0110.00415.91
5.6.200.0110.00415.94
5.6.190.0050.00916.05
5.6.180.0110.00415.91
5.6.170.0100.00515.86
5.6.160.0120.00216.07
5.6.150.0120.00315.91
5.6.140.0120.00015.96
5.6.130.0080.00416.01
5.6.120.0130.00016.01
5.6.110.0050.00915.93
5.6.100.0120.00315.65
5.6.90.0050.00915.89
5.6.80.0070.00715.86
5.6.70.0150.00015.90
5.6.60.0090.00616.02
5.6.50.0120.00315.85
5.6.40.0080.00715.68
5.6.30.0080.00815.85
5.6.20.0140.00015.77
5.6.10.0160.00015.81
5.6.00.0110.00315.64
5.5.380.0110.00515.85
5.5.370.0150.00015.79
5.5.360.0100.00515.76
5.5.350.0100.00515.90
5.5.340.0070.00715.67
5.5.330.0080.00815.73
5.5.320.0110.00315.69
5.5.310.0150.00015.62
5.5.300.0120.00215.90
5.5.290.0060.00915.70
5.5.280.0000.01515.80
5.5.270.0100.00515.55
5.5.260.0050.01015.76
5.5.250.0100.00515.87
5.5.240.0130.00316.07
5.5.230.0080.00815.60
5.5.220.0140.00015.66
5.5.210.0070.00715.75
5.5.200.0060.00915.61
5.5.190.0120.00215.78
5.5.180.0050.01115.62
5.5.170.0120.00315.78
5.5.160.0110.00315.61
5.5.150.0070.00715.78
5.5.140.0120.00215.50
5.5.130.0140.00015.51
5.5.120.0130.00315.65
5.5.110.0080.00815.21
5.5.100.0140.00015.74
5.5.90.0130.00315.75
5.5.80.0170.00015.64
5.5.70.0090.00615.89
5.5.60.0110.00315.70
5.5.50.0160.00015.70
5.5.40.0090.00615.70
5.5.30.0150.00015.96
5.5.20.0090.00615.95
5.5.10.0120.00315.87
5.5.00.0140.00015.60
5.4.450.0070.00512.70
5.4.440.0080.00412.90
5.4.430.0080.00412.54
5.4.420.0120.00012.57
5.4.410.0120.00012.56
5.4.400.0030.01012.68
5.4.390.0110.00012.65
5.4.380.0100.00212.68
5.4.370.0090.00412.74
5.4.360.0130.00012.82
5.4.350.0080.00512.48
5.4.340.0040.00812.73
5.4.330.0070.00412.75
5.4.320.0040.00812.70
5.4.310.0100.00312.70
5.4.300.0130.00012.53
5.4.290.0060.00512.55
5.4.280.0060.00612.74
5.4.270.0060.00612.79
5.4.260.0090.00212.46
5.4.250.0060.00612.50
5.4.240.0080.00612.68
5.4.230.0100.00312.63
5.4.220.0090.00212.46
5.4.210.0070.00512.28
5.4.200.0090.00312.28
5.4.190.0070.00412.45
5.4.180.0130.00012.61
5.4.170.0100.00212.34
5.4.160.0080.00412.68
5.4.150.0110.00012.50
5.4.140.0050.00512.49
5.4.130.0080.00412.85
5.4.120.0070.00412.73
5.4.110.0120.00012.79
5.4.100.0100.00212.53
5.4.90.0110.00012.53
5.4.80.0120.00012.93
5.4.70.0080.00412.79
5.4.60.0080.00412.67
5.4.50.0080.00312.76
5.4.40.0070.00312.79
5.4.30.0120.00012.84
5.4.20.0000.01112.86
5.4.10.0110.00012.94
5.4.00.0080.00312.57
5.3.290.0120.00012.61
5.3.280.0070.00512.82
5.3.270.0100.00312.63
5.3.260.0080.00412.65
5.3.250.0040.00712.89
5.3.240.0080.00412.59
5.3.230.0100.00312.61
5.3.220.0090.00412.81
5.3.210.0120.00012.84
5.3.200.0110.00012.77
5.3.190.0110.00012.81
5.3.180.0060.00612.74
5.3.170.0080.00412.74
5.3.160.0080.00413.03
5.3.150.0120.00012.95
5.3.140.0070.00412.68
5.3.130.0110.00012.88
5.3.120.0040.00812.68
5.3.110.0080.00412.86
5.3.100.0080.00312.69
5.3.90.0110.00012.74
5.3.80.0050.00512.61
5.3.70.0080.00312.61
5.3.60.0090.00312.76
5.3.50.0060.00612.79
5.3.40.0000.01012.68
5.3.30.0080.00412.59
5.3.20.0110.00012.73
5.3.10.0080.00412.43
5.3.00.0110.00012.58
5.2.170.0050.00511.67
5.2.160.0100.00011.67
5.2.150.0100.00011.73
5.2.140.0050.00511.53
5.2.130.0050.00511.84
5.2.120.0050.00411.63
5.2.110.0030.00711.72
5.2.100.0040.00411.82
5.2.90.0100.00011.67
5.2.80.0110.00011.76
5.2.70.0060.00411.46
5.2.60.0070.00211.55
5.2.50.0100.00011.63
5.2.40.0060.00311.82
5.2.30.0050.00511.54
5.2.20.0100.00011.40
5.2.10.0110.00011.58
5.2.00.0080.00211.47
5.1.60.0040.00410.57
5.1.50.0060.00310.62
5.1.40.0050.00310.73
5.1.30.0100.00011.13
5.1.20.0090.00010.94
5.1.10.0060.00310.89
5.1.00.0040.00510.79
5.0.50.0000.00710.10
5.0.40.0070.0009.71
5.0.30.0050.0029.67
5.0.20.0040.0049.69
5.0.10.0050.0029.82
5.0.00.0070.0009.80
4.4.90.0000.0049.20
4.4.80.0000.0059.20
4.4.70.0030.0009.20
4.4.60.0000.0049.20
4.4.50.0000.0049.20
4.4.40.0030.0009.20
4.4.30.0000.0049.20
4.4.20.0000.0049.20
4.4.10.0050.0009.20
4.4.00.0040.0009.20
4.3.110.0000.0039.20
4.3.100.0050.0009.20
4.3.90.0020.0029.20
4.3.80.0040.0009.20
4.3.70.0020.0029.20
4.3.60.0000.0049.20
4.3.50.0050.0009.20
4.3.40.0050.0009.20
4.3.30.0000.0039.20
4.3.20.0030.0009.20
4.3.10.0000.0039.20
4.3.00.0020.0029.20

preferences:
57.44 ms | 400 KiB | 5 Q