3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = new SplObjectStorage; $b = new stdClass; $a[$b]++; echo $a[$b]; // prints 0

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)
8.5.30.0100.00717.25
8.5.20.0130.00619.40
8.5.10.0100.00816.73
8.5.00.0130.00820.03
8.4.180.0120.01025.44
8.4.170.0130.00923.92
8.4.160.0140.00924.02
8.4.150.0070.00616.93
8.4.140.0120.01017.60
8.4.130.0050.00517.89
8.4.120.0040.00420.55
8.4.110.0110.00822.38
8.4.100.0040.00618.10
8.4.90.0160.00418.62
8.4.80.0110.00917.89
8.4.70.0120.00917.70
8.4.60.0140.00718.60
8.4.50.0030.00619.58
8.4.40.0080.00919.69
8.4.30.0130.00617.81
8.4.20.0200.00020.53
8.4.10.0030.00619.83
8.3.300.0100.01120.82
8.3.290.0100.00920.69
8.3.280.0120.00818.63
8.3.270.0130.00816.80
8.3.260.0150.00416.48
8.3.250.0080.00919.05
8.3.240.0050.00216.62
8.3.230.0100.01016.58
8.3.220.0130.00617.07
8.3.210.0050.00316.61
8.3.200.0060.00316.53
8.3.190.0050.00417.29
8.3.180.0090.00416.57
8.3.170.0080.00020.84
8.3.160.0090.00918.29
8.3.150.0040.00420.81
8.3.140.0110.00716.50
8.3.130.0040.00416.61
8.3.120.0080.00018.98
8.3.110.0090.00020.94
8.3.100.0060.00316.50
8.3.90.0120.00626.77
8.3.80.0100.00017.97
8.3.70.0120.00918.43
8.3.60.0100.01016.61
8.3.50.0120.00617.42
8.3.40.0120.00318.72
8.3.30.0040.01118.58
8.3.20.0040.00420.20
8.3.10.0080.00023.53
8.3.00.0050.00223.65
8.2.300.0110.01220.09
8.2.290.0130.00520.20
8.2.280.0040.00419.07
8.2.270.0120.00617.18
8.2.260.0080.00020.10
8.2.250.0110.00416.78
8.2.240.0000.00917.15
8.2.230.0040.00422.58
8.2.220.0000.00824.06
8.2.210.0050.00226.77
8.2.200.0030.00718.54
8.2.190.0090.00616.63
8.2.180.0070.00716.50
8.2.170.0070.00722.96
8.2.160.0110.00420.53
8.2.150.0070.00025.66
8.2.140.0000.00824.66
8.2.130.0040.00420.39
8.2.120.0090.00626.35
8.2.110.0060.00320.35
8.2.100.0090.00317.97
8.2.90.0050.00319.15
8.2.80.0040.00417.97
8.2.70.0080.00017.63
8.2.60.0040.00418.03
8.2.50.0050.00218.10
8.2.40.0000.00720.61
8.2.30.0080.00020.91
8.2.20.0020.00517.92
8.2.10.0040.00418.04
8.2.00.0070.00018.05
8.1.340.0140.00521.80
8.1.330.0080.01022.02
8.1.320.0100.01016.22
8.1.310.0040.00416.68
8.1.300.0000.00817.92
8.1.290.0060.00330.84
8.1.280.0180.00325.92
8.1.270.0040.00423.92
8.1.260.0080.00026.35
8.1.250.0050.00228.09
8.1.240.0050.00522.09
8.1.230.0130.00017.80
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0000.00917.35
8.1.190.0090.00317.51
8.1.180.0000.00818.10
8.1.170.0080.00018.53
8.1.160.0000.00818.75
8.1.150.0040.00418.82
8.1.140.0040.00417.68
8.1.130.0000.00718.73
8.1.120.0000.00717.41
8.1.110.0000.00717.37
8.1.100.0000.00817.40
8.1.90.0040.00417.39
8.1.80.0030.00717.29
8.1.70.0080.00317.38
8.1.60.0040.00417.41
8.1.50.0060.00317.39
8.1.40.0040.00417.51
8.1.30.0040.00417.64
8.1.20.0090.00017.55
8.1.10.0000.00817.46
8.1.00.0040.00417.54
8.0.300.0000.00918.77
8.0.290.0000.00816.75
8.0.280.0070.00018.37
8.0.270.0030.00317.09
8.0.260.0040.00416.81
8.0.250.0040.00416.95
8.0.240.0030.00616.96
8.0.230.0040.00416.96
8.0.220.0060.00316.89
8.0.210.0000.00616.77
8.0.200.0040.00416.94
8.0.190.0000.00816.98
8.0.180.0000.00716.86
8.0.170.0030.00316.93
8.0.160.0040.00416.94
8.0.150.0040.00716.84
8.0.140.0020.00516.82
8.0.130.0000.00513.33
8.0.120.0070.00016.86
8.0.110.0040.00416.86
8.0.100.0030.00516.76
8.0.90.0000.00716.92
8.0.80.0070.00716.84
8.0.70.0040.00416.76
8.0.60.0020.00516.77
8.0.50.0000.00816.92
8.0.30.0090.00916.91
8.0.20.0080.01017.40
8.0.10.0000.00716.89
8.0.00.0080.01216.72
7.4.330.0000.00516.61
7.4.320.0030.00316.29
7.4.300.0040.00416.67
7.4.290.0040.00416.59
7.4.280.0050.00316.38
7.4.270.0030.00316.48
7.4.260.0070.00416.37
7.4.250.0030.00316.45
7.4.240.0040.00416.44
7.4.230.0000.00716.67
7.4.220.0130.00716.62
7.4.210.0120.00416.57
7.4.200.0030.00316.64
7.4.160.0080.00816.51
7.4.150.0170.00017.40
7.4.140.0110.00717.86
7.4.130.0060.01216.70
7.4.120.0060.01316.59
7.4.110.0330.00616.70
7.4.100.0120.00616.49
7.4.90.0070.01016.55
7.4.80.0120.00619.39
7.4.70.0100.01316.55
7.4.60.0040.01216.41
7.4.50.0060.00616.37
7.4.40.0100.00716.49
7.4.30.0120.00316.58
7.4.00.0060.00914.92
7.3.330.0050.00013.19
7.3.320.0030.00313.19
7.3.310.0080.00016.39
7.3.300.0070.00016.36
7.3.290.0070.00716.33
7.3.280.0080.00916.30
7.3.270.0140.00617.40
7.3.260.0130.01116.39
7.3.250.0090.00816.36
7.3.240.0100.00616.44
7.3.230.0150.00916.52
7.3.210.0100.01016.27
7.3.200.0130.00616.24
7.3.190.0030.01316.36
7.3.180.0130.00316.29
7.3.170.0040.01216.31
7.3.160.0030.01216.48
7.2.330.0110.00716.64
7.2.320.0070.01116.73
7.2.310.0100.00716.53
7.2.300.0070.01016.59
7.2.290.0120.00316.81
7.2.60.0030.00916.73
7.1.200.0060.00715.63
7.1.110.0150.00317.83
7.1.100.0040.00817.75
7.1.90.0100.00317.91
7.1.80.0150.00318.07
7.1.70.0070.01016.96
7.1.60.0180.01834.85
7.1.50.0190.00934.76
7.1.40.0210.00734.25
7.1.30.0150.01134.33
7.1.20.0140.01334.41
7.1.10.0050.01416.29
7.1.00.0080.00816.48
7.0.250.0090.00917.45
7.0.240.0060.00617.83
7.0.230.0090.00417.59
7.0.220.0100.00717.75
7.0.210.0100.00716.57
7.0.200.0070.01116.55
7.0.190.0030.01016.74
7.0.180.0040.01016.20
7.0.170.0060.00616.12
7.0.160.0000.01316.10
7.0.150.0070.01116.21
7.0.140.0070.01016.15
7.0.130.0000.01416.52
7.0.120.0060.01516.45
7.0.110.0000.01416.04
7.0.100.0040.00816.30
7.0.90.0100.00316.28
7.0.80.0060.00616.29
7.0.70.0060.01216.40
7.0.60.0090.00916.24
7.0.50.0040.01216.22
7.0.40.0030.01516.34
7.0.30.0110.00416.36
7.0.20.0030.01016.42
7.0.10.0070.00716.29
7.0.00.0030.01216.12

preferences:
106.78 ms | 1510 KiB | 5 Q