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:16:"'."\0".'Exception'."\0".'trace";s:4:"test";}i:1;O:3:"obj":1:{s:1:"y";R: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)
8.3.60.0070.01016.50
8.3.50.0060.01221.07
8.3.40.0070.00718.57
8.3.30.0040.01118.57
8.3.20.0000.00720.15
8.3.10.0080.00023.61
8.3.00.0040.00419.69
8.2.180.0150.00017.00
8.2.170.0070.00722.96
8.2.160.0160.00320.41
8.2.150.0050.00324.18
8.2.140.0070.00724.66
8.2.130.0080.00026.16
8.2.120.0060.00317.63
8.2.110.0050.00522.06
8.2.100.0110.00017.63
8.2.90.0040.00419.05
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0030.00617.80
8.2.50.0080.00018.07
8.2.40.0000.00719.35
8.2.30.0080.00019.84
8.2.20.0040.00417.78
8.2.10.0040.00418.12
8.2.00.0040.00417.95
8.1.280.0060.00925.92
8.1.270.0000.00820.33
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0130.00322.48
8.1.230.0080.00417.42
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0110.00017.23
8.1.190.0040.00417.25
8.1.180.0040.00418.10
8.1.170.0080.00018.53
8.1.160.0030.00521.93
8.1.150.0050.00318.85
8.1.140.0030.00517.40
8.1.130.0030.00317.71
8.1.120.0040.00417.42
8.1.110.0030.00317.43
8.1.100.0030.00617.46
8.1.90.0000.00717.33
8.1.80.0000.00817.48
8.1.70.0070.00017.30
8.1.60.0040.00417.52
8.1.50.0040.00417.50
8.1.40.0090.00017.58
8.1.30.0040.00417.64
8.1.20.0050.00317.64
8.1.10.0050.00217.46
8.1.00.0040.00417.43
8.0.300.0040.00418.77
8.0.290.0070.00016.75
8.0.280.0030.00318.43
8.0.270.0070.00017.16
8.0.260.0030.00317.33
8.0.250.0040.00417.02
8.0.240.0040.00417.00
8.0.230.0080.00016.97
8.0.220.0030.00316.87
8.0.210.0050.00316.91
8.0.200.0030.00316.87
8.0.190.0050.00316.87
8.0.180.0030.00616.86
8.0.170.0000.00816.81
8.0.160.0040.00416.90
8.0.150.0040.00416.92
8.0.140.0050.00316.90
8.0.130.0030.00313.30
8.0.120.0060.00316.97
8.0.110.0030.00616.96
8.0.100.0030.00716.67
8.0.90.0040.00416.94
8.0.80.0030.01416.91
8.0.70.0040.00416.86
8.0.60.0040.00416.87
8.0.50.0040.00416.74
8.0.30.0120.00916.95
8.0.20.0090.00917.40
8.0.10.0040.00417.04
8.0.00.0070.01116.61
7.4.330.0000.00515.08
7.4.320.0060.00016.48
7.4.300.0070.00016.68
7.4.290.0050.00216.67
7.4.280.0000.00916.60
7.4.270.0000.00716.55
7.4.260.0040.00416.56
7.4.250.0040.00416.61
7.4.240.0020.00516.54
7.4.230.0040.00216.52
7.4.220.0040.01416.56
7.4.210.0070.00916.56
7.4.200.0030.00316.71
7.4.160.0120.00416.54
7.4.150.0170.00717.40
7.4.140.0120.00917.86
7.4.130.0130.01116.61
7.4.120.0090.00816.52
7.4.110.0060.01216.66
7.4.100.0160.00316.63
7.4.90.0160.00316.64
7.4.80.0150.00919.39
7.4.70.0070.01016.40
7.4.60.0090.00916.61
7.4.50.0040.00416.38
7.4.40.0080.00816.70
7.4.30.0160.00316.52
7.4.00.0080.00814.63
7.3.330.0000.00713.31
7.3.320.0030.00313.32
7.3.310.0050.00316.39
7.3.300.0000.00616.38
7.3.290.0070.00016.39
7.3.280.0060.01116.42
7.3.270.0060.01317.40
7.3.260.0190.00016.39
7.3.250.0110.00616.49
7.3.240.0040.01316.55
7.3.230.0130.01016.42
7.3.210.0060.00916.46
7.3.200.0100.00716.44
7.3.190.0080.00816.53
7.3.180.0070.01516.59
7.3.170.0150.00616.42
7.3.160.0110.00616.54
7.2.330.0070.01416.72
7.2.320.0090.01816.71
7.2.310.0080.00816.80
7.2.300.0090.00616.50
7.2.290.0110.00816.74
7.2.60.0060.00916.88
7.2.00.0060.01219.50
7.1.200.0090.00415.81
7.1.100.0080.00318.09
7.1.70.0000.01317.09
7.1.60.0090.01620.03
7.1.50.0270.00734.87
7.1.00.0030.07022.36
7.0.200.4520.00314.79
7.0.60.0070.08019.93
7.0.50.0070.07317.88
7.0.40.0070.04720.05
7.0.30.0300.08020.32
7.0.20.0330.06720.20
7.0.10.0100.08020.30
7.0.00.0030.08720.33
5.6.280.0100.02721.04
5.6.210.0000.08720.72
5.6.200.0100.07018.19
5.6.190.0030.06020.48
5.6.180.0230.07020.50
5.6.170.0300.08020.52
5.6.160.0030.04320.52
5.6.150.0130.07018.20
5.6.140.0130.07018.18
5.6.130.0130.07718.18
5.6.120.0100.03721.04
5.6.110.0070.08020.97
5.6.100.0000.07721.02
5.6.90.0030.09020.90
5.6.80.0100.07720.51
5.5.350.3670.04020.41
5.5.340.0030.05718.04
5.5.330.0030.04720.42
5.5.320.0370.07720.19
5.5.310.0230.06720.31
5.5.300.0030.07317.95
5.5.290.0130.07717.94
5.5.280.0130.07720.80
5.5.270.0130.04720.65
5.5.260.0070.08320.76
5.5.250.0000.04320.58
5.5.240.0000.08020.26
5.4.450.0200.06019.61
5.4.440.0170.06019.47
5.4.430.0200.05719.57
5.4.420.0230.05019.19
5.4.410.0200.05019.26
5.4.400.0100.05719.29
5.4.390.0170.05319.25
5.4.380.0270.06319.10
5.4.370.0170.06019.04
5.4.360.0400.06319.02
5.4.350.0200.05019.28
5.4.340.0230.05319.13
5.4.320.0170.05719.14
5.4.310.0130.05319.29
5.4.300.0130.05719.25
5.4.290.0170.05318.87
5.4.280.0100.06018.96
5.4.270.0130.05719.29
5.4.260.0170.05719.05
5.4.250.0300.05019.30
5.4.240.0230.04719.05
5.4.230.0130.06018.86
5.4.220.0200.05319.00
5.4.210.0170.05318.97
5.4.200.0100.05719.25
5.4.190.0200.04719.27
5.4.180.0170.05019.21
5.4.170.0270.04018.86
5.4.160.0030.05719.04
5.4.150.0070.06719.05
5.4.140.0200.04716.29
5.4.130.0170.05316.31
5.4.120.0200.04316.54
5.4.110.0130.05016.21
5.4.100.0130.05316.44
5.4.90.0130.04716.53
5.4.80.0230.04316.68
5.4.70.0200.05316.55
5.4.60.0270.06016.23
5.4.50.0230.04016.61
5.4.40.0270.03316.55
5.4.30.0030.05316.53
5.4.20.0130.04016.42
5.4.10.0400.05716.33

preferences:
56.91 ms | 401 KiB | 5 Q