3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo() { $t = new stdClass(); $t->foo = $t; $tt = unserialize(serialize($t)); } foo(); gc_collect_cycles();

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)
8.3.60.0120.00318.31
8.3.50.0120.00322.11
8.3.40.0040.01118.75
8.3.30.0090.00619.05
8.3.20.0080.00020.35
8.3.10.0000.00723.66
8.3.00.0070.00418.04
8.2.180.0170.00318.54
8.2.170.0090.00622.96
8.2.160.0130.00720.35
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0050.00226.16
8.2.120.0040.00419.13
8.2.110.0100.00019.27
8.2.100.0060.00617.66
8.2.90.0040.00419.05
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0100.00317.93
8.2.50.0030.00618.07
8.2.40.0060.00319.88
8.2.30.0040.00418.18
8.2.20.0070.00017.55
8.2.10.0000.00718.05
8.2.00.0030.00519.50
8.1.280.0120.00325.92
8.1.270.0060.00323.97
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0070.00423.80
8.1.230.0050.00520.64
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0030.00617.23
8.1.180.0080.00018.10
8.1.170.0040.00418.51
8.1.160.0040.00421.88
8.1.150.0000.00718.56
8.1.140.0000.00717.44
8.1.130.0030.00317.76
8.1.120.0000.00717.41
8.1.110.0040.00417.38
8.1.100.0000.00717.43
8.1.90.0000.00817.38
8.1.80.0040.00417.35
8.1.70.0000.00717.39
8.1.60.0040.00417.56
8.1.50.0040.00417.50
8.1.40.0000.00717.50
8.1.30.0050.00317.66
8.1.20.0040.00417.55
8.1.10.0080.00017.51
8.1.00.0030.00517.45
8.0.300.0000.00718.77
8.0.290.0020.00516.75
8.0.280.0030.00318.42
8.0.270.0030.00317.25
8.0.260.0000.00717.20
8.0.250.0000.00716.95
8.0.240.0030.00317.00
8.0.230.0050.00216.88
8.0.220.0000.00716.79
8.0.210.0060.00016.95
8.0.200.0030.00316.84
8.0.190.0030.00516.88
8.0.180.0000.00716.95
8.0.170.0000.00716.82
8.0.160.0030.00316.94
8.0.150.0040.00416.89
8.0.140.0070.00016.71
8.0.130.0000.00513.27
8.0.120.0080.00016.86
8.0.110.0040.00416.78
8.0.100.0040.00416.90
8.0.90.0040.00416.86
8.0.80.0030.01316.83
8.0.70.0000.00716.76
8.0.60.0030.00516.82
8.0.50.0070.00016.78
8.0.30.0130.00817.02
8.0.20.0120.01217.40
8.0.10.0000.00716.80
8.0.00.0140.00516.77
7.4.330.0000.00515.00
7.4.320.0070.00016.43
7.4.300.0030.00316.64
7.4.290.0050.00316.45
7.4.280.0060.00316.35
7.4.270.0000.00716.53
7.4.260.0070.00016.60
7.4.250.0000.00816.55
7.4.240.0030.00316.54
7.4.230.0000.00716.54
7.4.220.0150.00316.62
7.4.210.0090.00916.52
7.4.200.0070.00016.61
7.4.160.0080.00816.42
7.4.150.0150.00317.40
7.4.140.0110.00517.86
7.4.130.0110.00716.56
7.4.120.0060.01016.48
7.4.110.0130.00916.33
7.4.100.0140.00416.43
7.4.90.0090.00916.52
7.4.80.0060.01519.39
7.4.70.0040.01816.44
7.4.60.0100.00716.33
7.4.50.0000.00416.43
7.4.40.0060.00916.36
7.4.30.0040.01116.62
7.4.00.0030.01014.99
7.3.330.0050.00013.33
7.3.320.0050.00013.26
7.3.310.0030.00316.20
7.3.300.0060.00016.38
7.3.290.0110.00516.31
7.3.280.0100.01016.29
7.3.270.0070.02017.40
7.3.260.0100.00716.33
7.3.250.0110.00716.36
7.3.240.0070.01016.24
7.3.230.0030.01216.50
7.3.210.0100.00716.43
7.3.200.0060.01019.39
7.3.190.0070.01416.42
7.3.180.0060.01116.48
7.3.170.0090.00616.49
7.3.160.0100.00616.63
7.3.120.0040.01114.54
7.3.10.0040.01116.72
7.3.00.0110.00316.72
7.2.330.0100.00716.70
7.2.320.0110.01216.69
7.2.310.0090.00916.50
7.2.300.0090.00916.44
7.2.290.0030.01316.66
7.2.130.0040.01016.77
7.2.120.0100.00516.74
7.2.110.0070.01016.91
7.2.100.0080.00916.78
7.2.90.0130.00116.90
7.2.80.0090.00516.88
7.2.70.0020.01216.79
7.2.60.0050.01016.63
7.2.50.0050.01216.82
7.2.40.0090.00516.67
7.2.30.0100.00516.79
7.2.20.0060.00816.92
7.2.10.0050.00716.78
7.2.00.0080.00717.67
7.1.250.0080.00615.66
7.1.240.0030.00715.64
7.1.230.0100.00015.73
7.1.220.0150.00015.67
7.1.210.0070.00715.81
7.1.200.0060.00615.87
7.1.190.0070.00715.65
7.1.180.0090.00615.86
7.1.170.0090.00315.66
7.1.160.0070.00715.84
7.1.150.0040.00715.67
7.1.140.0080.00815.81
7.1.130.0100.00615.60
7.1.120.0060.00615.92
7.1.110.0040.00715.88
7.1.100.0060.00616.76
7.1.90.0090.00915.70
7.1.80.0070.00315.59
7.1.70.0030.00616.59
7.1.60.0080.01117.74
7.1.50.0080.01316.31
7.1.40.0080.00415.78
7.1.30.0110.00415.85
7.1.20.0060.00915.62
7.1.10.0120.00415.91
7.1.00.0070.03819.08
7.0.330.0060.00815.47
7.0.320.0110.00315.17
7.0.310.0040.00715.22
7.0.300.0050.00515.03
7.0.290.0070.00715.52
7.0.280.0030.00715.27
7.0.270.0120.00314.98
7.0.260.0030.01015.35
7.0.250.0090.00315.46
7.0.240.0000.01215.14
7.0.230.0150.00315.46
7.0.220.0030.00715.28
7.0.210.0040.01115.00
7.0.200.0030.00715.89
7.0.190.0120.00315.61
7.0.180.0000.01115.37
7.0.170.0070.00715.36
7.0.160.0140.00715.36
7.0.150.0040.00815.34
7.0.140.0080.03718.48
7.0.130.0040.01515.33
7.0.120.0090.00615.32
7.0.110.0150.00315.15
7.0.100.0110.00815.09
7.0.90.0070.00715.45
7.0.80.0110.00015.21
7.0.70.0040.00715.36
7.0.60.0150.02217.53
7.0.50.0130.04216.64
7.0.40.0070.04216.68
7.0.30.0290.03816.58
7.0.20.0210.03516.69
7.0.10.0130.04516.85
7.0.00.0050.04416.62
5.6.380.0000.01114.35
5.6.370.0050.00314.04
5.6.360.0110.00014.21
5.6.350.0000.00914.43
5.6.340.0040.00714.22
5.6.330.0050.00514.29
5.6.320.0060.00914.35
5.6.310.0070.00714.11
5.6.300.0030.00914.36
5.6.290.0030.00614.28
5.6.280.0050.03817.52
5.6.270.0120.00414.61
5.6.260.0090.00614.42
5.6.250.0040.01114.38
5.6.240.0060.00914.25
5.6.230.0040.00813.82
5.6.220.0060.00614.17
5.6.210.0070.04517.40
5.6.200.0070.04516.27
5.6.190.0120.03817.58
5.6.180.1990.02617.44
5.6.170.0150.03917.43
5.6.160.0140.04316.19
5.6.150.0120.02216.26
5.6.140.0130.04616.32
5.6.130.0140.02416.20
5.6.120.0130.04217.61
5.6.110.0190.04417.54
5.6.100.0120.04817.54
5.6.90.0140.04717.63
5.6.80.0070.04217.40
5.6.70.0090.00613.98
5.6.60.0140.01014.14
5.6.50.0200.00714.41
5.6.40.0140.01114.02
5.6.30.0140.01014.30
5.6.20.0030.01014.07
5.6.10.0200.01014.02
5.6.00.0100.00814.31
5.5.380.0050.00311.18
5.5.370.0030.00311.18
5.5.360.0060.00611.28
5.5.350.0120.03715.80
5.5.340.0100.02914.62
5.5.330.0090.04515.78
5.5.320.0230.03515.77
5.5.310.0240.03715.69
5.5.300.0120.01814.63
5.5.290.0190.03814.63
5.5.280.0110.04216.03
5.5.270.0150.03016.03
5.5.260.0050.02416.02
5.5.250.0090.02615.89
5.5.240.0140.04315.68
5.5.230.0180.00611.18
5.5.220.0140.00711.18
5.5.210.0100.00311.18
5.5.200.0250.00011.18
5.5.190.0150.00311.18
5.5.180.0100.00511.18
5.5.170.0130.00511.18
5.5.160.0210.00311.18
5.5.150.0210.00311.18
5.5.140.0130.00911.18
5.5.130.0270.00311.18
5.5.120.0220.00311.18
5.5.110.0220.00911.18
5.5.100.0170.00311.18
5.5.90.0100.00211.18
5.5.80.0200.00011.18
5.5.70.0240.00711.18
5.5.60.0110.00511.18
5.5.50.0250.00711.18
5.5.40.0270.00711.18
5.5.30.0140.00311.18
5.5.20.0110.00411.18
5.5.10.0070.00311.18
5.5.00.0050.00211.18
5.4.450.0220.02827.47
5.4.440.0270.02224.33
5.4.430.0280.02522.42
5.4.420.0230.02722.40
5.4.410.0200.02222.40
5.4.400.0100.02322.42
5.4.390.0220.02322.39
5.4.380.0230.02814.97
5.4.370.0370.03514.87
5.4.360.0140.02414.84
5.4.350.0110.03014.88
5.4.340.0150.03014.89
5.4.330.0130.00511.18
5.4.320.0080.02011.84
5.4.310.0120.01911.84
5.4.300.0070.02311.84
5.4.290.0090.02511.84
5.4.280.0110.02211.79
5.4.270.0090.02211.79
5.4.260.0240.01911.79
5.4.250.0130.02411.79
5.4.240.0200.02211.79
5.4.230.0110.02411.79
5.4.220.0250.02311.78
5.4.210.0120.02311.78
5.4.200.0080.02511.79
5.4.190.0070.02111.78
5.4.180.0060.02211.78
5.4.170.0080.01611.79
5.4.160.0030.02211.79
5.4.150.0080.02111.78
5.4.140.0050.02311.62
5.4.130.0060.02311.62
5.4.120.0050.02511.60
5.4.110.0050.02411.59
5.4.100.0080.02511.59
5.4.90.0040.02711.59
5.4.80.0070.02411.59
5.4.70.0040.02011.59
5.4.60.0070.02511.59
5.4.50.0050.02211.59
5.4.40.0040.02511.59
5.4.30.0050.02211.58
5.4.20.0050.02211.58
5.4.10.0050.02811.59
5.4.00.0060.02411.33
5.3.290.0080.02411.99
5.3.280.0160.02011.94
5.3.270.0090.02011.95
5.3.260.0040.02811.95
5.3.250.0070.02211.95
5.3.240.0030.02411.95
5.3.230.0050.02511.94
5.3.220.0040.02111.93
5.3.210.0060.02311.93
5.3.200.0080.02211.93
5.3.190.0050.02011.93
5.3.180.0060.02311.92
5.3.170.0040.02111.92
5.3.160.0040.02511.92
5.3.150.0070.02111.93
5.3.140.0090.02111.92
5.3.130.0050.02011.92
5.3.120.0080.02011.92
5.3.110.0030.02511.92
5.3.100.0030.02611.65
5.3.90.0070.01911.64
5.3.80.0040.02111.64
5.3.70.0070.02111.63
5.3.60.0070.01811.63
5.3.50.0080.02111.60
5.3.40.0060.02611.60
5.3.30.0060.02611.58
5.3.20.0060.02511.47
5.3.10.0050.02011.46
5.3.00.0050.02211.45
5.2.170.0040.01710.20
5.2.160.0050.01910.20
5.2.150.0030.01910.20
5.2.140.0030.01910.20
5.2.130.0050.01510.18
5.2.120.0060.01510.18
5.2.110.0070.01910.18
5.2.100.0020.01810.18
5.2.90.0070.01910.18
5.2.80.0030.01910.17
5.2.70.0020.01710.18
5.2.60.0050.01910.15
5.2.50.0060.02010.14
5.2.40.0040.01510.13
5.2.30.0020.01810.11
5.2.20.0030.01710.11
5.2.10.0060.01510.06
5.2.00.0020.0189.99
5.1.60.0020.0159.63
5.1.50.0020.0209.63
5.1.40.0030.0189.62
5.1.30.0070.0159.80
5.1.20.0040.0219.81
5.1.10.0040.0139.67
5.1.00.0020.0169.67
5.0.50.0020.0198.91
5.0.40.0020.0118.84
5.0.30.0040.0228.74
5.0.20.0020.0138.73
5.0.10.0020.0148.72
5.0.00.0040.0168.72
4.4.90.0030.0097.98
4.4.80.0010.0117.97
4.4.70.0010.0117.97
4.4.60.0020.0127.96
4.4.50.0030.0127.97
4.4.40.0040.0127.94
4.4.30.0020.0177.97
4.4.20.0020.0098.01
4.4.10.0020.0098.01
4.4.00.0030.0137.97
4.3.110.0010.0117.92
4.3.100.0040.0077.92
4.3.90.0040.0117.91
4.3.80.0020.0137.88
4.3.70.0020.0147.90
4.3.60.0020.0117.90
4.3.50.0050.0077.90
4.3.40.0020.0157.85
4.3.30.0020.0207.24
4.3.20.0020.0097.23
4.3.10.0000.0107.21
4.3.00.0020.01221.22

preferences:
44.3 ms | 401 KiB | 5 Q