3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new class {public $b;}; $b = clone $a; $a->b = $b; $b->b = $a; var_dump($a == $b);

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)
8.3.60.0070.00718.56
8.3.50.0130.00316.39
8.3.40.0070.00718.70
8.3.30.0160.00018.54
8.3.20.0050.00220.59
8.3.10.0030.00620.57
8.3.00.0070.00020.87
8.2.180.0110.00318.29
8.2.170.0040.01119.04
8.2.160.0150.00022.96
8.2.150.0090.00025.66
8.2.140.0050.00324.66
8.2.130.0100.00018.09
8.2.120.0040.00426.35
8.2.110.0040.00719.45
8.2.100.0000.01117.91
8.2.90.0040.00418.16
8.2.80.0080.00018.04
8.2.70.0000.00818.00
8.2.60.0000.00818.09
8.2.50.0040.00418.10
8.2.40.0040.00419.26
8.2.30.0070.00019.29
8.2.20.0000.00717.97
8.2.10.0040.00419.43
8.2.00.0040.00418.09
8.1.280.0100.01025.92
8.1.270.0040.00420.09
8.1.260.0000.00726.35
8.1.250.0000.00728.09
8.1.240.0120.00020.64
8.1.230.0000.01120.95
8.1.220.0060.00317.74
8.1.210.0000.00818.92
8.1.200.0100.00017.35
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0080.00018.65
8.1.160.0070.00018.88
8.1.150.0030.00618.93
8.1.140.0000.00720.25
8.1.130.0040.00420.17
8.1.120.0000.00817.44
8.1.110.0000.00717.35
8.1.100.0040.00417.48
8.1.90.0100.00017.41
8.1.80.0030.00617.47
8.1.70.0030.00717.38
8.1.60.0040.00417.45
8.1.50.0040.00417.48
8.1.40.0040.00417.51
8.1.30.0040.00417.61
8.1.20.0050.00317.57
8.1.10.0000.00817.55
8.1.00.0040.00417.40
8.0.300.0000.00819.98
8.0.290.0000.00716.75
8.0.280.0000.00718.36
8.0.270.0000.00817.20
8.0.260.0030.00318.45
8.0.250.0030.00316.97
8.0.240.0040.00417.00
8.0.230.0040.00417.00
8.0.220.0070.00016.84
8.0.210.0000.00716.85
8.0.200.0030.00317.05
8.0.190.0000.00816.91
8.0.180.0080.00016.92
8.0.170.0080.00017.02
8.0.160.0000.00716.90
8.0.150.0040.00416.85
8.0.140.0040.00416.91
8.0.130.0060.00013.37
8.0.120.0070.00016.89
8.0.110.0000.00716.88
8.0.100.0070.00016.82
8.0.90.0040.00416.90
8.0.80.0090.00916.92
8.0.70.0050.00316.96
8.0.60.0040.00416.86
8.0.50.0000.00716.94
8.0.30.0120.00917.08
8.0.20.0120.00716.88
8.0.10.0000.00716.95
8.0.00.0110.00816.62
7.4.330.0030.00315.55
7.4.320.0030.00316.51
7.4.300.0030.00316.59
7.4.290.0000.00616.40
7.4.280.0040.00416.54
7.4.270.0000.00916.35
7.4.260.0000.00716.53
7.4.250.0000.00716.52
7.4.240.0000.00716.58
7.4.230.0040.00416.59
7.4.220.0040.00416.66
7.4.210.0090.00616.53
7.4.200.0000.00716.57
7.4.160.0080.00716.68
7.4.140.0060.01117.86
7.4.130.0070.01116.60
7.4.120.0120.00616.49
7.4.110.0100.01316.41
7.4.100.0130.01016.67
7.4.90.0070.01116.52
7.4.80.0100.01319.39
7.4.70.0090.00916.48
7.4.60.0180.00716.50
7.4.50.0060.00916.31
7.4.40.0120.00916.26
7.4.10.0070.01114.89
7.4.00.0100.00714.94
7.3.330.0000.00613.30
7.3.320.0000.00613.27
7.3.310.0040.00416.11
7.3.300.0030.00316.15
7.3.290.0040.00416.21
7.3.280.0090.00716.25
7.3.260.0110.00616.43
7.3.240.0090.00916.39
7.3.230.0110.00616.26
7.3.210.0060.01116.46
7.3.200.0100.00616.45
7.3.190.0100.00616.52
7.3.180.0160.00016.29
7.3.170.0090.01316.27
7.3.160.0140.00316.45
7.3.130.0000.01514.84
7.3.120.0080.00514.86
7.3.110.0090.00914.66
7.3.100.0070.00714.80
7.3.90.0100.00714.79
7.3.80.0090.00314.87
7.3.70.0040.01114.77
7.3.60.0000.01014.79
7.3.50.0030.00714.41
7.3.40.0030.00614.85
7.3.30.0090.00314.56
7.3.20.1150.00714.82
7.3.10.1340.00714.86
7.3.00.0800.00614.90
7.2.330.0100.00716.55
7.2.320.0060.01016.41
7.2.310.0080.00816.64
7.2.300.0040.01216.55
7.2.290.0070.01016.51
7.2.260.0120.00614.81
7.2.250.0060.01314.99
7.2.240.0090.00314.77
7.2.230.0130.00315.13
7.2.220.0150.00315.18
7.2.210.0030.01315.05
7.2.200.0030.01314.93
7.2.190.0040.00814.96
7.2.180.0110.00315.01
7.2.170.0060.00614.93
7.2.160.0100.00315.07
7.2.150.1380.00715.10
7.2.140.1290.00615.22
7.2.130.0520.00515.19
7.2.120.0580.00615.22
7.2.110.0460.00615.25
7.2.100.0520.00715.18
7.2.90.0610.00615.18
7.2.80.0650.00715.18
7.2.70.0620.00615.27
7.2.60.0590.00515.19
7.2.50.0690.00815.22
7.2.40.0620.00815.16
7.2.30.0600.00715.24
7.2.20.0580.00715.22
7.2.10.0540.00815.11
7.2.00.0520.00615.16
7.1.330.0080.00815.50
7.1.320.0070.00315.41
7.1.310.0060.00915.69
7.1.300.0060.00315.70
7.1.290.0110.00715.62
7.1.280.0060.00615.62
7.1.270.0050.00515.65
7.1.260.0110.00415.86
7.1.250.0710.00514.00
7.1.240.0000.01615.68
7.1.230.0100.00315.42
7.1.220.0030.01215.72
7.1.210.0040.00715.64
7.1.200.0080.00315.72
7.1.190.0100.00315.91
7.1.180.0070.00715.64
7.1.170.0000.01315.80
7.1.160.0000.01015.61
7.1.150.0040.00815.63
7.1.140.0100.00315.64
7.1.130.0000.01515.66
7.1.120.0080.00015.67
7.1.110.0060.00615.84
7.1.100.0100.00015.84
7.1.90.0070.00715.69
7.1.80.0000.01715.54
7.1.70.0060.00915.61
7.1.60.0090.00615.79
7.1.50.0080.00815.66
7.1.40.0040.01115.68
7.1.30.0030.00715.43
7.1.20.0000.01415.76
7.1.10.0000.01215.81
7.1.00.0000.01215.49

preferences:
47.12 ms | 401 KiB | 5 Q