3v4l.org

run code in 300+ PHP versions simultaneously
<?php class obj { var $prop; function __wakeup () { $this->prop = 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:"prop";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)
8.3.70.0090.00616.76
8.3.60.0060.01216.75
8.3.50.0130.00721.13
8.3.40.0160.00018.71
8.3.30.0090.00618.67
8.3.20.0070.00020.20
8.3.10.0080.00023.40
8.3.00.0080.00019.68
8.2.190.0060.00916.61
8.2.180.0100.01016.63
8.2.170.0090.00622.96
8.2.160.0140.00020.39
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0080.00026.16
8.2.120.0060.00317.50
8.2.110.0090.00020.55
8.2.100.0120.00017.63
8.2.90.0040.00419.22
8.2.80.0060.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00918.04
8.2.50.0000.00818.07
8.2.40.0030.00619.46
8.2.30.0030.00617.89
8.2.20.0080.00017.76
8.2.10.0000.00818.14
8.2.00.0040.00418.00
8.1.280.0110.00425.92
8.1.270.0070.01020.23
8.1.260.0070.00026.35
8.1.250.0000.00728.09
8.1.240.0120.00922.33
8.1.230.0080.00317.42
8.1.220.0040.00417.80
8.1.210.0050.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0000.00718.10
8.1.170.0030.00618.46
8.1.160.0070.00021.87
8.1.150.0040.00418.89
8.1.140.0000.00817.32
8.1.130.0030.00317.61
8.1.120.0000.00717.36
8.1.110.0000.00717.41
8.1.100.0040.00417.46
8.1.90.0080.00017.32
8.1.80.0000.00717.46
8.1.70.0030.00517.38
8.1.60.0000.00917.49
8.1.50.0060.00317.56
8.1.40.0030.00517.55
8.1.30.0000.00817.63
8.1.20.0000.00717.72
8.1.10.0040.00417.59
8.1.00.0000.00717.55
8.0.300.0070.00018.77
8.0.290.0000.00816.75
8.0.280.0040.00418.47
8.0.270.0030.00317.29
8.0.260.0030.00717.30
8.0.250.0000.00717.02
8.0.240.0070.00017.04
8.0.230.0080.00017.04
8.0.220.0090.00016.92
8.0.210.0070.00016.96
8.0.200.0060.00017.04
8.0.190.0080.00017.03
8.0.180.0000.00716.89
8.0.170.0060.00316.95
8.0.160.0080.00016.89
8.0.150.0040.00416.97
8.0.140.0000.00716.91
8.0.130.0030.00313.38
8.0.120.0000.00816.97
8.0.110.0000.00816.98
8.0.100.0000.00717.00
8.0.90.0040.00416.92
8.0.80.0030.01216.92
8.0.70.0070.00016.70
8.0.60.0030.00316.77
8.0.50.0000.00716.80
8.0.30.0090.00917.26
8.0.20.0060.01317.40
8.0.10.0050.00216.91
8.0.00.0110.00616.85
7.4.330.0060.00015.08
7.4.320.0000.00716.52
7.4.300.0000.00616.51
7.4.290.0000.00716.62
7.4.280.0000.00716.47
7.4.270.0000.00816.64
7.4.260.0070.00316.50
7.4.250.0040.00416.59
7.4.240.0010.00616.63
7.4.230.0060.00316.38
7.4.220.0100.00716.38
7.4.210.0060.00916.63
7.4.200.0070.00016.52
7.4.160.0160.00016.74
7.4.150.0110.01417.40
7.4.140.0120.01217.86
7.4.130.0140.00416.53
7.4.120.0070.00916.46
7.4.110.0090.00916.57
7.4.100.0150.00316.34
7.4.90.0150.00316.51
7.4.80.0100.00719.39
7.4.70.0030.01516.47
7.4.60.0090.00916.43
7.4.50.0030.00316.37
7.4.40.0130.00616.45
7.4.30.0130.00416.36
7.4.00.0070.01115.00
7.3.330.0030.00313.39
7.3.320.0000.00513.41
7.3.310.0040.00416.25
7.3.300.0030.00316.24
7.3.290.0000.00716.21
7.3.280.0080.01116.39
7.3.270.0160.00617.40
7.3.260.0170.00016.62
7.3.240.0070.01516.48
7.3.230.0090.00916.39
7.3.210.0100.00716.39
7.3.200.0090.00916.45
7.3.190.0130.00316.45
7.3.180.0120.00616.65
7.3.170.0060.00916.41
7.3.160.0140.00916.50
7.2.330.0120.00416.67
7.2.320.0130.00716.46
7.2.310.0060.01116.63
7.2.300.0140.00316.80
7.2.290.0070.01016.73
7.2.80.0030.00916.47
7.2.60.0100.00716.64
7.2.00.0110.01119.20
7.1.200.0030.01015.63
7.1.100.0000.01218.14
7.1.70.0060.00317.19
7.1.60.0040.00819.27
7.1.50.0060.00916.92
7.1.00.0030.07722.46
7.0.200.0140.00716.49
7.0.60.0200.06719.93
7.0.50.0030.04317.73
7.0.40.0030.08720.04
7.0.30.0370.07020.17
7.0.20.0230.05320.07
7.0.10.0300.05020.07
7.0.00.0100.08020.22
5.6.280.0070.05321.10
5.6.210.0030.04020.48
5.6.200.0170.05018.23
5.6.190.0070.08020.46
5.6.180.0370.04320.46
5.6.170.0330.08020.44
5.6.160.0170.07320.52
5.6.150.0030.06018.23
5.6.140.0070.04318.24
5.6.130.0070.04318.11
5.6.120.0030.07721.05
5.6.110.0030.05321.01
5.6.100.0100.04321.01
5.6.90.0070.06320.98
5.6.80.0170.05320.42
5.6.70.4470.03720.38
5.5.350.0070.03720.47
5.5.340.0000.05318.07
5.5.330.0130.04020.57
5.5.320.0400.07320.27
5.5.310.0230.04720.18
5.5.300.0130.04318.02
5.5.290.0070.08318.01
5.5.280.0030.05720.80
5.5.270.0100.08320.64
5.5.260.0070.07320.71
5.5.250.0030.04320.58
5.5.240.0130.03720.35
5.4.450.0270.07319.31
5.4.440.0300.07019.10
5.4.430.0170.05719.51
5.4.420.0200.05319.09
5.4.410.0230.05019.07
5.4.400.0300.06018.89
5.4.390.0170.06719.25
5.4.380.0230.05319.05
5.4.370.0170.07319.27
5.4.360.0370.06019.21
5.4.350.0270.05719.25
5.4.340.0270.04318.78
5.4.320.0230.04718.88
5.4.310.0330.06019.23
5.4.300.0370.04719.04
5.4.290.0170.06019.35
5.4.280.0270.04719.20
5.4.270.0300.04719.05
5.4.260.0100.06019.04
5.4.250.0200.05719.26
5.4.240.0170.06019.23
5.4.230.0300.05018.77
5.4.220.0130.06319.25
5.4.210.0230.05719.18
5.4.200.0170.05319.20
5.4.190.0200.05019.25
5.4.180.0170.05319.21
5.4.170.0070.06018.76
5.4.160.0300.04019.32
5.4.150.0230.06718.75
5.4.140.0130.05716.33
5.4.130.0200.04716.54
5.4.120.0230.06316.50
5.4.110.0270.05716.62
5.4.100.0270.06016.28
5.4.90.0230.06316.57
5.4.80.0230.06016.13
5.4.70.0170.03716.41
5.4.60.0430.04316.21
5.4.50.0030.07016.35
5.4.40.0030.06716.37
5.4.30.0070.07016.51
5.4.20.0330.05016.40

preferences:
54.03 ms | 401 KiB | 5 Q