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";R:2;}i:2;R:4;}'; $x = unserialize($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)
8.3.60.0070.00716.75
8.3.50.0090.00621.02
8.3.40.0140.00018.97
8.3.30.0040.01118.87
8.3.20.0070.00020.31
8.3.10.0040.00423.66
8.3.00.0050.00319.78
8.2.180.0070.00718.54
8.2.170.0100.01022.96
8.2.160.0070.00720.34
8.2.150.0040.00424.18
8.2.140.0030.01224.66
8.2.130.0030.00526.16
8.2.120.0000.00819.35
8.2.110.0090.00022.06
8.2.100.0040.00817.63
8.2.90.0000.00819.22
8.2.80.0040.00417.97
8.2.70.0080.00017.50
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0040.00419.46
8.2.30.0000.00919.70
8.2.20.0030.00517.77
8.2.10.0040.00417.96
8.2.00.0050.00218.06
8.1.280.0100.01025.92
8.1.270.0040.00420.38
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0070.00322.48
8.1.230.0120.00017.42
8.1.220.0000.00817.74
8.1.210.0030.00518.77
8.1.200.0090.00017.35
8.1.190.0040.00417.13
8.1.180.0040.00418.10
8.1.170.0050.00318.54
8.1.160.0080.00021.98
8.1.150.0000.00818.91
8.1.140.0030.00517.45
8.1.130.0030.00317.68
8.1.120.0050.00317.43
8.1.110.0040.00417.35
8.1.100.0000.00917.29
8.1.90.0000.00717.38
8.1.80.0080.00017.37
8.1.70.0030.00317.48
8.1.60.0030.00617.60
8.1.50.0040.00417.54
8.1.40.0040.00417.55
8.1.30.0040.00417.72
8.1.20.0040.00417.68
8.1.10.0000.00717.45
8.1.00.0000.00717.50
8.0.300.0070.00018.77
8.0.290.0070.00016.88
8.0.280.0000.00718.47
8.0.270.0030.00317.21
8.0.260.0000.00617.34
8.0.250.0070.00017.09
8.0.240.0040.00417.02
8.0.230.0000.00716.95
8.0.220.0040.00416.95
8.0.210.0070.00016.97
8.0.200.0060.00017.06
8.0.190.0030.00317.03
8.0.180.0080.00016.95
8.0.170.0040.00416.97
8.0.160.0040.00417.05
8.0.150.0030.00516.91
8.0.140.0030.00516.89
8.0.130.0000.00613.45
8.0.120.0030.00516.95
8.0.110.0000.00816.89
8.0.100.0000.00716.84
8.0.90.0040.00416.75
8.0.80.0070.01116.87
8.0.70.0040.00416.77
8.0.60.0040.00416.77
8.0.50.0050.00316.95
8.0.30.0070.01417.08
8.0.20.0090.01117.40
8.0.10.0040.00416.88
8.0.00.0100.00916.79
7.4.330.0000.00515.08
7.4.320.0030.00316.45
7.4.300.0030.00316.61
7.4.290.0000.00716.52
7.4.280.0040.00416.51
7.4.270.0040.00316.68
7.4.260.0030.00316.47
7.4.250.0070.00016.59
7.4.240.0080.00016.63
7.4.230.0070.00016.56
7.4.220.0070.01116.66
7.4.210.0100.00416.61
7.4.200.0040.00416.63
7.4.160.0070.01016.39
7.4.150.0090.00917.40
7.4.140.0090.01017.86
7.4.130.0120.00816.60
7.4.120.0120.00816.46
7.4.110.0060.01216.50
7.4.100.0110.00816.62
7.4.90.0100.00716.46
7.4.80.0100.01019.39
7.4.70.0130.00316.55
7.4.60.0060.00916.54
7.4.50.0030.00616.27
7.4.40.0160.00016.67
7.4.30.0120.01116.56
7.4.00.0060.01214.84
7.3.330.0000.00613.37
7.3.320.0050.00013.37
7.3.310.0030.00516.42
7.3.300.0030.00316.35
7.3.290.0000.00616.39
7.3.280.0120.00616.36
7.3.270.0100.00617.40
7.3.260.0150.00916.38
7.3.250.0120.00616.34
7.3.240.0140.00716.38
7.3.230.0160.00616.39
7.3.210.0100.00716.43
7.3.200.0090.00916.76
7.3.190.0040.01316.66
7.3.180.0100.00616.66
7.3.170.0060.00916.55
7.3.160.0070.01016.41
7.3.10.0060.00616.65
7.3.00.0070.01016.78
7.2.330.0060.01016.55
7.2.320.0120.01316.75
7.2.310.0120.00616.80
7.2.300.0060.00916.75
7.2.290.0100.01316.54
7.2.130.0000.01516.98
7.2.120.0060.00916.88
7.2.110.0030.01216.73
7.2.100.0040.01116.69
7.2.90.0070.00717.02
7.2.80.0110.00416.96
7.2.70.0030.01016.85
7.2.60.0050.00816.98
7.2.50.0070.00316.74
7.2.40.0000.01216.94
7.2.30.0030.01216.91
7.2.20.0090.00616.72
7.2.10.0030.01016.91
7.2.00.0030.00916.84
7.1.250.0120.00015.99
7.1.200.0100.00615.89
7.1.100.0030.01418.32
7.1.70.0030.00317.26
7.1.60.0100.01620.03
7.1.50.0040.02017.12
7.1.00.0000.08022.44
7.0.200.0030.00716.88
7.0.60.0070.03719.91
7.0.50.0130.04317.97
7.0.40.0070.04020.40
7.0.30.0430.03720.28
7.0.20.0200.06020.10
7.0.10.0070.06720.20
7.0.00.0030.08020.12
5.6.210.0030.05720.65
5.6.200.0070.04318.22
5.6.190.0070.04020.39
5.6.180.0300.05320.63
5.6.170.0230.03720.50
5.6.160.0100.07720.47
5.6.150.0130.07318.23
5.6.140.0100.04718.21
5.6.130.0130.05718.15
5.6.120.0230.07321.15
5.6.110.0070.08020.98
5.6.100.0070.08321.11
5.6.90.0100.03720.97
5.6.80.0070.04320.28
5.5.350.4200.04320.48
5.5.340.0030.07017.95
5.5.330.0130.07720.57
5.5.320.0230.06320.34
5.5.310.0430.07020.34
5.5.300.0070.05317.91
5.5.290.0030.06017.95
5.5.280.0100.08020.73
5.5.270.0030.06320.87
5.5.260.0070.04320.84
5.5.250.0130.06720.66
5.5.240.0000.07020.23
5.4.450.0170.05019.38
5.4.440.0170.05319.44
5.4.430.0230.04719.27
5.4.420.0130.05719.52
5.4.410.0100.06019.30
5.4.400.0300.05019.22
5.4.390.0370.05319.25
5.4.380.0230.04318.95
5.4.370.0230.05019.25
5.4.360.0130.05719.10
5.4.350.0130.05318.82
5.4.340.0170.05719.21
5.4.320.0100.06318.83
5.4.310.0270.04319.19
5.4.300.0200.05019.10
5.4.290.0070.06319.25
5.4.280.0070.06319.25
5.4.270.0200.05019.21
5.4.260.0230.04719.23
5.4.250.0130.05319.25
5.4.240.0070.05319.07
5.4.230.0100.05718.83
5.4.220.0200.04719.19
5.4.210.0170.05019.09
5.4.200.0130.05719.22
5.4.190.0030.06319.06
5.4.180.0170.05018.82
5.4.170.0200.05019.11
5.4.160.0170.05018.84
5.4.150.0170.05319.20
5.4.140.0070.06016.50
5.4.130.0170.04716.43
5.4.120.0070.06016.43
5.4.110.0100.05716.62
5.4.100.0030.05716.52
5.4.90.0070.06316.42
5.4.80.0400.05316.55
5.4.70.0230.06716.17
5.4.60.0330.06716.52
5.4.50.0230.07316.43
5.4.40.0270.05716.50
5.4.30.0130.03016.33
5.4.20.0100.04016.54
5.4.10.0330.05016.42

preferences:
36.53 ms | 401 KiB | 5 Q