3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $porp; function __wakeup () { $this->porp = 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:4:"porp";R:2;}i:2;a:1:{i:0;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)
8.3.60.0100.01016.50
8.3.50.0110.00721.08
8.3.40.0110.00418.89
8.3.30.0130.00318.84
8.3.20.0050.00320.29
8.3.10.0040.00423.71
8.3.00.0050.00319.44
8.2.180.0090.00918.29
8.2.170.0140.00322.96
8.2.160.0110.00420.43
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00417.50
8.2.110.0030.00622.26
8.2.100.0000.01119.51
8.2.90.0030.00517.75
8.2.80.0080.00018.73
8.2.70.0030.00617.50
8.2.60.0080.00017.92
8.2.50.0090.00018.07
8.2.40.0040.00418.22
8.2.30.0000.00818.02
8.2.20.0040.00417.59
8.2.10.0040.00417.99
8.2.00.0040.00417.96
8.1.280.0110.00425.92
8.1.270.0090.00620.25
8.1.260.0070.00426.35
8.1.250.0090.00028.09
8.1.240.0060.00320.23
8.1.230.0070.00417.76
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.38
8.1.180.0000.00818.10
8.1.170.0040.00418.59
8.1.160.0070.00018.73
8.1.150.0040.00418.85
8.1.140.0040.00417.45
8.1.130.0070.00017.66
8.1.120.0000.00717.41
8.1.110.0030.00517.29
8.1.100.0030.00417.40
8.1.90.0040.00417.30
8.1.80.0030.00517.34
8.1.70.0060.00317.30
8.1.60.0080.00017.58
8.1.50.0050.00317.54
8.1.40.0040.00417.48
8.1.30.0030.00617.63
8.1.20.0000.00717.71
8.1.10.0050.00317.63
8.1.00.0000.00817.53
8.0.300.0040.00418.77
8.0.290.0050.00316.75
8.0.280.0080.00318.34
8.0.270.0000.00817.18
8.0.260.0050.00517.30
8.0.250.0030.00316.98
8.0.240.0030.00317.04
8.0.230.0050.00217.01
8.0.220.0030.00616.96
8.0.210.0000.00716.98
8.0.200.0000.00717.06
8.0.190.0030.00616.90
8.0.180.0070.00017.01
8.0.170.0000.00816.93
8.0.160.0040.00316.99
8.0.150.0000.00716.90
8.0.140.0050.00316.85
8.0.130.0000.00713.44
8.0.120.0030.00516.83
8.0.110.0050.00317.01
8.0.100.0000.00816.88
8.0.90.0050.00216.76
8.0.80.0100.00916.89
8.0.70.0040.00416.70
8.0.60.0040.00416.96
8.0.50.0030.00616.93
8.0.30.0110.00617.27
8.0.20.0130.00917.40
8.0.10.0000.00716.98
8.0.00.0110.00816.88
7.4.330.0030.00315.08
7.4.320.0070.00016.57
7.4.300.0030.00316.66
7.4.290.0000.00716.58
7.4.280.0040.00416.65
7.4.270.0000.00716.65
7.4.260.0030.00716.43
7.4.250.0070.00016.56
7.4.240.0040.00416.63
7.4.230.0040.00416.42
7.4.220.0090.00916.73
7.4.210.0070.00716.54
7.4.200.0000.00716.34
7.4.160.0090.00616.36
7.4.150.0130.00617.40
7.4.140.0170.00217.86
7.4.130.0150.00316.73
7.4.120.0100.00816.54
7.4.110.0140.00316.59
7.4.100.0110.00716.76
7.4.90.0140.00616.43
7.4.80.0100.01319.39
7.4.70.0080.01216.49
7.4.60.0070.01016.52
7.4.50.0040.00416.59
7.4.40.0040.01516.68
7.4.30.0130.00916.68
7.4.00.0070.01015.04
7.3.330.0030.00313.40
7.3.320.0030.00313.39
7.3.310.0050.00316.29
7.3.300.0070.00016.40
7.3.290.0000.00716.32
7.3.280.0080.01216.37
7.3.270.0070.01317.40
7.3.260.0060.01016.70
7.3.240.0070.01016.45
7.3.230.0090.00916.39
7.3.210.0140.00316.54
7.3.200.0180.00416.57
7.3.190.0100.00716.40
7.3.180.0110.00416.38
7.3.170.0060.01116.40
7.3.160.0060.01016.50
7.2.330.0110.00516.56
7.2.320.0110.00816.83
7.2.310.0000.01716.55
7.2.300.0070.01316.80
7.2.290.0060.01416.30
7.2.80.0070.00716.68
7.2.60.0130.00316.89
7.2.00.0030.01019.46
7.1.200.0050.00515.96
7.1.100.0090.00317.72
7.1.70.0070.00016.82
7.1.60.0080.00619.27
7.1.50.0060.01816.98
7.1.00.0100.07022.47
7.0.200.0200.00716.27
7.0.60.0170.08019.94
7.0.50.0070.05017.73
7.0.40.0030.04320.23
7.0.30.0270.05320.12
7.0.20.0270.06320.23
7.0.10.0200.08020.09
7.0.00.0130.07020.27
5.6.280.0000.03320.91
5.6.210.0100.03320.77
5.6.200.0070.07718.27
5.6.190.0030.07720.41
5.6.180.0270.05020.47
5.6.170.0230.08020.55
5.6.160.0100.09020.48
5.6.150.0070.06018.14
5.6.140.0100.08018.21
5.6.130.0100.07018.25
5.6.120.0100.08721.03
5.6.110.0070.08320.98
5.6.100.0070.08720.98
5.6.90.0070.05320.97
5.6.80.0000.09320.37
5.6.70.4170.03720.35
5.5.350.0070.03020.45
5.5.340.0200.06718.09
5.5.330.0030.07020.27
5.5.320.0400.07320.51
5.5.310.0330.08320.19
5.5.300.0030.09017.98
5.5.290.0100.08017.98
5.5.280.0030.04320.80
5.5.270.0130.06320.79
5.5.260.0130.05320.64
5.5.250.0030.06720.58
5.5.240.0070.08320.37
5.4.450.0870.05719.29
5.4.440.0900.06319.67
5.4.430.0770.05319.68
5.4.420.0730.05719.36
5.4.410.1000.05319.15
5.4.400.0800.06019.15
5.4.390.0700.05319.21
5.4.380.0630.06719.04
5.4.370.0670.05019.06
5.4.360.0370.04718.77
5.4.350.0130.05019.35
5.4.340.0370.06018.95
5.4.320.0870.05319.21
5.4.310.0570.06718.96
5.4.300.0530.05318.86
5.4.290.0100.06019.21
5.4.280.0070.06719.35
5.4.270.0630.05719.16
5.4.260.0600.05018.96
5.4.250.0130.05318.95
5.4.240.0070.05719.14
5.4.230.0630.05719.20
5.4.220.0700.05719.06
5.4.210.0830.06018.77
5.4.200.0700.05719.23
5.4.190.1000.04719.25
5.4.180.0670.05719.04
5.4.170.0630.06319.34
5.4.160.0830.07319.04
5.4.150.1100.06018.96
5.4.140.0570.05016.32
5.4.130.0670.04716.43
5.4.120.0530.06016.52
5.4.110.0800.07716.41
5.4.100.0730.06016.62
5.4.90.0770.05016.62
5.4.80.0700.05316.51
5.4.70.0170.04016.36
5.4.60.0330.04016.37
5.4.50.0030.04716.41
5.4.40.0030.07316.25
5.4.30.0030.03716.25
5.4.20.0330.05716.31

preferences:
43.44 ms | 401 KiB | 5 Q