3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $y; function __wakeup() { $this->y = 1; } } $x = 'a:4:{i:0;i:1;i:1;O:9:"exception":1:{s:17:"'."\0".'Exception'."\0".'string";r:2;}i:2;O:3:"obj":1:{s:1:"y";R:3;}i:3;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)
8.3.70.0060.01618.43
8.3.60.0040.01116.61
8.3.50.0050.01321.09
8.3.40.0170.00318.79
8.3.30.0110.00418.89
8.3.20.0070.00020.20
8.3.10.0080.00023.49
8.3.00.0040.00419.81
8.2.190.0120.00618.79
8.2.180.0040.01918.41
8.2.170.0070.00722.96
8.2.160.0080.00820.37
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0060.00317.75
8.2.110.0000.00920.27
8.2.100.0120.00017.63
8.2.90.0000.00719.37
8.2.80.0070.00317.97
8.2.70.0060.00317.63
8.2.60.0040.00418.03
8.2.50.0040.00418.07
8.2.40.0030.00521.17
8.2.30.0040.00419.96
8.2.20.0030.00517.58
8.2.10.0030.00518.02
8.2.00.0040.00418.12
8.1.280.0130.00025.92
8.1.270.0040.00420.38
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00023.87
8.1.230.0060.00617.42
8.1.220.0000.00917.74
8.1.210.0050.00318.77
8.1.200.0060.00317.36
8.1.190.0040.00417.35
8.1.180.0000.00718.10
8.1.170.0000.00918.55
8.1.160.0020.00521.97
8.1.150.0040.00418.91
8.1.140.0080.00017.43
8.1.130.0000.00717.71
8.1.120.0030.00417.42
8.1.110.0050.00217.41
8.1.100.0030.00717.48
8.1.90.0000.00817.34
8.1.80.0030.00617.33
8.1.70.0000.00717.38
8.1.60.0030.00617.58
8.1.50.0030.00617.49
8.1.40.0000.00817.48
8.1.30.0050.00317.45
8.1.20.0000.00717.62
8.1.10.0000.00817.59
8.1.00.0090.00017.43
8.0.300.0030.00618.77
8.0.290.0040.00416.88
8.0.280.0070.00018.38
8.0.270.0040.00417.21
8.0.260.0000.00617.26
8.0.250.0040.00416.88
8.0.240.0080.00017.00
8.0.230.0000.00717.03
8.0.220.0040.00416.97
8.0.210.0070.00016.87
8.0.200.0030.00316.93
8.0.190.0040.00417.00
8.0.180.0030.00716.98
8.0.170.0040.00417.03
8.0.160.0040.00416.87
8.0.150.0040.00416.87
8.0.140.0000.00716.82
8.0.130.0000.00613.44
8.0.120.0000.00816.96
8.0.110.0050.00316.98
8.0.100.0030.00516.86
8.0.90.0000.00716.87
8.0.80.0070.01116.89
8.0.70.0000.00816.75
8.0.60.0040.00416.79
8.0.50.0040.00416.79
8.0.30.0070.01017.05
8.0.20.0080.01117.40
8.0.10.0000.00717.00
8.0.00.0070.01116.96
7.4.330.0030.00315.08
7.4.320.0050.00216.56
7.4.300.0060.00016.48
7.4.290.0070.00016.58
7.4.280.0040.00416.50
7.4.270.0000.00716.43
7.4.260.0040.00416.54
7.4.250.0080.00016.55
7.4.240.0050.00216.51
7.4.230.0030.00316.46
7.4.220.0060.01716.39
7.4.210.0050.00916.54
7.4.200.0040.00416.46
7.4.160.0140.00816.50
7.4.150.0140.00317.40
7.4.140.0110.01017.86
7.4.130.0110.00616.50
7.4.120.0110.00616.60
7.4.110.0070.01416.67
7.4.100.0100.00716.65
7.4.90.0090.00916.45
7.4.80.0060.01219.39
7.4.70.0070.01016.39
7.4.60.0080.00816.63
7.4.50.0080.00016.65
7.4.40.0000.01516.55
7.4.30.0110.01116.39
7.4.00.0040.01214.93
7.3.330.0000.00513.29
7.3.320.0000.00513.41
7.3.310.0000.00716.48
7.3.300.0070.00016.46
7.3.290.0000.00716.46
7.3.280.0110.00816.49
7.3.270.0070.01317.40
7.3.260.0180.00616.63
7.3.250.0100.00716.46
7.3.240.0120.00616.58
7.3.230.0140.00316.74
7.3.210.0110.01116.42
7.3.200.0200.00316.48
7.3.190.0090.00916.40
7.3.180.0100.00716.48
7.3.170.0090.00616.52
7.3.160.0030.01316.40
7.2.330.0160.00416.70
7.2.320.0160.00316.55
7.2.310.0060.01116.70
7.2.300.0030.01316.74
7.2.290.0090.00916.67
7.2.60.0090.00616.98
7.2.00.0040.01119.38
7.1.200.0030.00615.81
7.1.100.0160.00017.95
7.1.70.0000.00717.22
7.1.60.0100.01620.03
7.1.50.0100.00316.98
7.1.00.0030.07722.43
7.0.200.0000.00816.63
7.0.60.0100.07319.88
7.0.50.0000.07717.86
7.0.40.0100.07020.11
7.0.30.0270.08320.26
7.0.20.0270.07720.22
7.0.10.0030.05720.07
7.0.00.0070.05020.09
5.6.280.0030.07021.04
5.6.210.0100.08320.51
5.6.200.0070.05018.29
5.6.190.0070.09020.77
5.6.180.0270.03320.41
5.6.170.0270.07720.45
5.6.160.0070.05720.48
5.6.150.0030.08718.19
5.6.140.0030.04018.14
5.6.130.0030.05318.28
5.6.120.0070.07021.00
5.6.110.0130.07021.00
5.6.100.0170.07720.96
5.6.90.0070.04720.95
5.6.80.0000.06320.48
5.5.350.3770.03720.50
5.5.340.0130.06717.98
5.5.330.0030.04320.43
5.5.320.0270.04320.31
5.5.310.0400.05720.34
5.5.300.0000.08317.94
5.5.290.0000.06718.01
5.5.280.0100.08320.87
5.5.270.0100.04320.87
5.5.260.0100.07020.82
5.5.250.0070.03720.58
5.5.240.0130.05320.16
5.4.450.0530.05719.52
5.4.440.0430.06019.28
5.4.430.0470.05719.16
5.4.420.0470.05319.50
5.4.410.0500.04019.40
5.4.400.0430.04719.20
5.4.390.0430.05018.98
5.4.380.0430.05018.95
5.4.370.0400.05018.96
5.4.360.0430.05719.20
5.4.350.0530.04719.20
5.4.340.0470.05319.01
5.4.320.0530.04718.96
5.4.310.0530.04019.30
5.4.300.0370.05718.83
5.4.290.0500.05019.19
5.4.280.0530.05019.19
5.4.270.0430.05719.08
5.4.260.0400.05319.07
5.4.250.0330.07018.83
5.4.240.0400.05318.83
5.4.230.0530.04319.02
5.4.220.0470.04718.83
5.4.210.0370.05319.19
5.4.200.0370.05319.11
5.4.190.0400.05019.00
5.4.180.0400.05019.16
5.4.170.0400.05718.91
5.4.160.0470.05018.88
5.4.150.0430.05018.99
5.4.140.0430.05016.39
5.4.130.0530.04316.48
5.4.120.0470.05316.48
5.4.110.0370.05716.50
5.4.100.0300.06016.36
5.4.90.0500.04016.15
5.4.80.0430.04716.19
5.4.70.0300.07016.42
5.4.60.0200.04016.39
5.4.50.0430.05016.31
5.4.40.0200.04716.36
5.4.30.0100.04016.24
5.4.20.0170.03016.51
5.4.10.0270.05316.24

preferences:
20.49 ms | 401 KiB | 5 Q