3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $y; function __wakeup () { $this->y = 1; } } $x = 'a:3:{i:0;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";a:1:{i:0;i:1;}}i:1;O:3:"obj":1:{s:1:"y";i:2;}i:2;R:3;}'; $x = unserialize($x); for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } var_dump($x);

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)
8.3.60.0070.00716.63
8.3.50.0110.00416.16
8.3.40.0030.01218.58
8.3.30.0070.00718.84
8.3.20.0000.00720.16
8.3.10.0040.00423.36
8.3.00.0000.00819.81
8.2.180.0110.00416.88
8.2.170.0110.00322.96
8.2.160.0070.00720.40
8.2.150.0000.00824.18
8.2.140.0150.00024.66
8.2.130.0000.00726.16
8.2.120.0060.00317.50
8.2.110.0060.00322.01
8.2.100.0090.00317.63
8.2.90.0080.00019.23
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0050.00519.46
8.2.30.0040.00419.78
8.2.20.0000.00817.59
8.2.10.0070.00018.07
8.2.00.0000.00817.95
8.1.280.0070.01425.92
8.1.270.0160.00320.37
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00020.87
8.1.230.0080.00317.42
8.1.220.0090.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.38
8.1.190.0030.00617.36
8.1.180.0020.00518.10
8.1.170.0090.00018.49
8.1.160.0040.00421.88
8.1.150.0070.00018.78
8.1.140.0040.00417.33
8.1.130.0030.00317.66
8.1.120.0040.00417.45
8.1.110.0000.00717.41
8.1.100.0070.00317.41
8.1.90.0070.00017.29
8.1.80.0080.00017.32
8.1.70.0070.00017.46
8.1.60.0050.00317.59
8.1.50.0060.00317.58
8.1.40.0000.00817.52
8.1.30.0040.00417.70
8.1.20.0000.00817.52
8.1.10.0000.00717.57
8.1.00.0050.00317.51
8.0.300.0000.00718.77
8.0.290.0070.00016.88
8.0.280.0050.00218.49
8.0.270.0000.00717.23
8.0.260.0000.00617.29
8.0.250.0040.00416.96
8.0.240.0050.00317.06
8.0.230.0030.00317.03
8.0.220.0040.00417.03
8.0.210.0040.00416.87
8.0.200.0000.00617.10
8.0.190.0040.00416.92
8.0.180.0000.01016.96
8.0.170.0050.00316.98
8.0.160.0040.00416.96
8.0.150.0070.00016.90
8.0.140.0040.00416.83
8.0.130.0000.00613.49
8.0.120.0040.00416.84
8.0.110.0000.00816.93
8.0.100.0080.00017.02
8.0.90.0040.00416.71
8.0.80.0030.01316.89
8.0.70.0040.00416.89
8.0.60.0070.00016.88
8.0.50.0040.00416.88
8.0.30.0120.00717.22
8.0.20.0150.00717.40
8.0.10.0030.00317.00
8.0.00.0130.00516.93
7.4.330.0050.00015.08
7.4.320.0000.00716.46
7.4.300.0000.00616.63
7.4.290.0080.00016.54
7.4.280.0040.00416.39
7.4.270.0000.00716.67
7.4.260.0040.00716.61
7.4.250.0000.00816.54
7.4.240.0020.00516.54
7.4.230.0030.00316.73
7.4.220.0070.01116.38
7.4.210.0090.01116.60
7.4.200.0030.00516.68
7.4.160.0190.00016.66
7.4.150.0070.01117.40
7.4.140.0090.01617.86
7.4.130.0120.01116.61
7.4.120.0120.00716.66
7.4.110.0100.01316.32
7.4.100.0080.01116.39
7.4.90.0150.00416.61
7.4.80.0090.01419.39
7.4.70.0090.00916.66
7.4.60.0110.00616.52
7.4.50.0030.00316.76
7.4.40.0070.01016.56
7.4.30.0070.01316.59
7.4.00.0070.01014.84
7.3.330.0030.00313.36
7.3.320.0030.00313.34
7.3.310.0000.00716.43
7.3.300.0030.00316.46
7.3.290.0050.00216.39
7.3.280.0110.01016.37
7.3.270.0070.01217.40
7.3.260.0120.01016.46
7.3.250.0100.00916.52
7.3.240.0110.00716.65
7.3.230.0000.01816.48
7.3.210.0090.00916.56
7.3.200.0110.01216.46
7.3.190.0030.01616.64
7.3.180.0030.01516.43
7.3.170.0040.01116.42
7.3.160.0070.01216.47
7.2.330.0120.00616.69
7.2.320.0120.01216.59
7.2.310.0070.01016.68
7.2.300.0130.00416.74
7.2.290.0090.01016.37
7.2.60.0110.00416.69
7.2.00.0030.01219.20
7.1.200.0040.01115.45
7.1.100.0040.01118.09
7.1.70.0030.00617.30
7.1.60.0090.01620.03
7.1.50.0180.00734.78
7.1.00.0030.07722.57
7.0.200.0190.00614.94
7.0.60.0100.06319.91
7.0.50.0100.06717.88
7.0.40.0130.06720.14
7.0.30.0300.04720.34
7.0.20.0230.04320.30
7.0.10.0070.05720.17
7.0.00.0170.07720.24
5.6.280.0030.03321.01
5.6.210.0100.06320.63
5.6.200.0200.07318.17
5.6.190.0170.08020.63
5.6.180.0200.04320.43
5.6.170.0300.09020.50
5.6.160.0100.07020.61
5.6.150.0070.03718.16
5.6.140.0070.06318.23
5.6.130.0070.05718.27
5.6.120.0030.04321.12
5.6.110.0130.08020.98
5.6.100.0030.05721.00
5.6.90.0070.04021.10
5.6.80.0070.03720.29
5.5.350.4230.04020.44
5.5.340.0200.07017.95
5.5.330.0130.05720.21
5.5.320.0270.05720.21
5.5.310.0500.06720.27
5.5.300.0070.07718.08
5.5.290.0070.03717.92
5.5.280.0000.05320.89
5.5.270.0100.04720.97
5.5.260.0100.04020.96
5.5.250.0070.04020.69
5.5.240.0030.08320.15
5.4.450.0500.07019.55
5.4.440.0500.06019.32
5.4.430.0470.05719.58
5.4.420.0530.05019.51
5.4.410.0600.04719.04
5.4.400.0500.05019.00
5.4.390.0530.05018.95
5.4.380.0570.05319.11
5.4.370.0530.05319.05
5.4.360.0500.05319.20
5.4.350.0500.04719.05
5.4.340.0570.04318.82
5.4.320.0470.05718.86
5.4.310.0500.05019.09
5.4.300.0530.06319.21
5.4.290.0500.05018.80
5.4.280.0430.06319.09
5.4.270.0600.04718.84
5.4.260.0500.05018.84
5.4.250.0530.05019.31
5.4.240.0570.04719.05
5.4.230.0530.05019.24
5.4.220.0530.05319.11
5.4.210.0430.05319.07
5.4.200.0470.05319.07
5.4.190.0530.04719.18
5.4.180.0400.05719.07
5.4.170.0470.05318.94
5.4.160.0470.05019.18
5.4.150.0500.05019.05
5.4.140.0570.04316.54
5.4.130.0500.05316.43
5.4.120.0500.04716.43
5.4.110.0500.04716.66
5.4.100.0530.04316.60
5.4.90.0530.05316.64
5.4.80.0400.05316.60
5.4.70.0170.07016.54
5.4.60.0270.05016.54
5.4.50.0200.07016.23
5.4.40.0300.07016.42
5.4.30.0030.05316.29
5.4.20.0100.04016.58
5.4.10.0330.03716.48

preferences:
56.02 ms | 400 KiB | 5 Q