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;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)
8.3.60.0120.00616.63
8.3.50.0110.00821.09
8.3.40.0090.00918.82
8.3.30.0060.00818.63
8.3.20.0000.00720.38
8.3.10.0080.00023.61
8.3.00.0040.00419.79
8.2.180.0070.01416.75
8.2.170.0070.00722.96
8.2.160.0130.00319.32
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00517.75
8.2.110.0100.00021.05
8.2.100.0090.00317.78
8.2.90.0060.00317.90
8.2.80.0070.00317.97
8.2.70.0040.00417.50
8.2.60.0000.00817.89
8.2.50.0050.00318.07
8.2.40.0030.00519.38
8.2.30.0030.00718.08
8.2.20.0060.00317.63
8.2.10.0070.00017.99
8.2.00.0030.00518.18
8.1.280.0040.01125.92
8.1.270.0130.00720.38
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00722.59
8.1.230.0090.00320.83
8.1.220.0090.00017.74
8.1.210.0030.00518.78
8.1.200.0000.00917.22
8.1.190.0080.00017.10
8.1.180.0070.00018.10
8.1.170.0030.00618.59
8.1.160.0070.00021.90
8.1.150.0040.00418.89
8.1.140.0080.00017.37
8.1.130.0000.00717.66
8.1.120.0040.00417.31
8.1.110.0030.00617.41
8.1.100.0040.00417.31
8.1.90.0080.00017.38
8.1.80.0030.00617.45
8.1.70.0070.00017.31
8.1.60.0060.00317.57
8.1.50.0040.00417.58
8.1.40.0080.00017.50
8.1.30.0030.00517.70
8.1.20.0040.00417.59
8.1.10.0050.00317.52
8.1.00.0040.00417.55
8.0.300.0080.00019.92
8.0.290.0040.00416.63
8.0.280.0000.00718.41
8.0.270.0030.00317.29
8.0.260.0000.00917.16
8.0.250.0030.00316.95
8.0.240.0030.00317.00
8.0.230.0070.00017.09
8.0.220.0070.00316.88
8.0.210.0000.00716.86
8.0.200.0030.00317.04
8.0.190.0050.00217.04
8.0.180.0040.00416.90
8.0.170.0050.00317.01
8.0.160.0000.00716.96
8.0.150.0050.00216.96
8.0.140.0000.00716.86
8.0.130.0030.00313.45
8.0.120.0040.00416.98
8.0.110.0000.00716.94
8.0.100.0050.00316.97
8.0.90.0000.00716.92
8.0.80.0090.01316.93
8.0.70.0040.00416.78
8.0.60.0000.00717.05
8.0.50.0000.00716.86
8.0.30.0050.01517.24
8.0.20.0120.00817.40
8.0.10.0070.00017.08
8.0.00.0100.00816.89
7.4.330.0000.00715.08
7.4.320.0030.00316.33
7.4.300.0040.00416.64
7.4.290.0030.00316.56
7.4.280.0000.00716.61
7.4.270.0030.00316.64
7.4.260.0070.00416.61
7.4.250.0000.00716.51
7.4.240.0050.00216.47
7.4.230.0030.00516.43
7.4.220.0060.01616.64
7.4.210.0050.01516.59
7.4.200.0030.00316.72
7.4.160.0060.01016.56
7.4.150.0130.00417.40
7.4.140.0080.01417.86
7.4.130.0030.01616.55
7.4.120.0140.00316.54
7.4.110.0140.00316.50
7.4.100.0120.01216.63
7.4.90.0030.01616.49
7.4.80.0040.01319.39
7.4.70.0040.01416.64
7.4.60.0080.00816.64
7.4.50.0000.00816.59
7.4.40.0090.01116.33
7.4.30.0070.01416.72
7.4.00.0060.01115.05
7.3.330.0030.00313.34
7.3.320.0000.00513.39
7.3.310.0000.00716.41
7.3.300.0030.00316.40
7.3.290.0000.00716.39
7.3.280.0080.01016.37
7.3.270.0100.01017.40
7.3.260.0000.01716.36
7.3.240.0170.00016.59
7.3.230.0110.01116.40
7.3.210.0090.00916.59
7.3.200.0040.01516.31
7.3.190.0140.00316.34
7.3.180.0060.01316.55
7.3.170.0040.01216.54
7.3.160.0090.01216.46
7.3.120.0110.00714.89
7.3.110.0040.01114.71
7.3.100.0170.00014.78
7.3.90.0060.00614.57
7.3.80.0100.00715.16
7.3.70.0030.00814.52
7.3.60.0070.01014.76
7.3.50.0030.00615.00
7.3.40.0030.01514.79
7.3.30.0100.00315.00
7.3.20.0060.00616.81
7.3.10.0030.01016.73
7.3.00.0000.01816.63
7.2.330.0060.01216.51
7.2.320.0160.00616.46
7.2.310.0060.01616.50
7.2.300.0170.01116.80
7.2.290.0070.01016.53
7.2.250.0060.00814.87
7.2.240.0070.01115.16
7.2.230.0030.00914.88
7.2.220.0060.00314.96
7.2.210.0110.00414.98
7.2.200.0080.00814.89
7.2.190.0080.00415.08
7.2.180.0110.00715.04
7.2.170.0130.00714.93
7.2.80.0220.00716.33
7.2.60.0320.01416.86
7.2.00.0120.00619.35
7.1.330.0060.00915.71
7.1.320.0100.00315.85
7.1.310.0060.00915.63
7.1.300.0000.01315.67
7.1.290.0060.00915.87
7.1.280.0100.00615.64
7.1.270.0060.00615.98
7.1.260.0030.01415.65
7.1.200.0060.00315.57
7.1.100.0070.00718.17
7.1.70.0040.00417.00
7.1.60.0070.00419.27
7.1.50.0040.01816.70
7.1.00.0100.07022.44
7.0.200.0170.00716.24
7.0.70.0000.06019.96
7.0.60.0270.05319.97
7.0.50.0130.08020.22
7.0.40.0170.05720.05
7.0.30.0000.08020.03
7.0.20.0130.07720.05
7.0.10.0070.07720.09
7.0.00.0100.06720.04
5.6.280.0070.06321.10
5.6.220.0070.05320.71
5.6.210.0100.08320.63
5.6.200.0100.05721.08
5.6.190.0070.05021.11
5.6.180.0030.08321.04
5.6.170.0000.05321.02
5.6.160.0070.08021.04
5.6.150.0070.05720.94
5.6.140.0100.08321.02
5.6.130.0130.08021.06
5.6.120.0030.07721.02
5.6.110.0100.08021.09
5.6.100.0070.06021.06
5.6.90.0100.06021.00
5.6.80.0130.07320.49
5.6.70.0070.04720.54
5.6.60.0100.07720.45
5.6.50.0030.08720.43
5.6.40.0170.07020.31
5.6.30.0130.07720.50
5.6.20.0100.08020.37
5.6.10.0130.07020.39
5.6.00.0070.08320.36
5.5.360.0070.07720.38
5.5.350.0000.09020.41
5.5.340.0130.08020.73
5.5.330.0070.08020.89
5.5.320.0070.06020.83
5.5.310.0030.07320.64
5.5.300.0070.09020.89
5.5.290.0030.09020.88
5.5.280.0070.08320.86
5.5.270.0100.08020.82
5.5.260.0130.08020.91
5.5.250.0100.08320.69
5.5.240.0000.09020.19
5.5.230.0030.06720.18
5.5.220.0070.05020.29
5.5.210.0030.08020.27
5.5.200.0070.08020.13
5.5.190.0230.06020.11
5.5.180.0100.08020.18
5.5.160.0070.05320.21
5.5.150.0030.06320.22
5.5.140.0030.08720.18
5.5.130.0100.08319.99
5.5.120.0030.08020.27
5.5.110.0100.08320.21
5.5.100.0070.03719.96
5.5.90.0030.08319.94
5.5.80.0100.07320.16
5.5.70.0030.08320.07
5.5.60.0030.06020.11
5.5.50.0200.06720.06
5.5.40.0030.05020.09
5.5.30.0100.07320.02
5.5.20.0000.08320.13
5.5.10.0100.07720.07
5.5.00.0130.07320.07
5.4.450.0130.07019.36
5.4.440.0100.07319.51
5.4.430.0100.06319.41
5.4.420.0070.08019.45
5.4.410.0070.08019.39
5.4.400.0100.07019.04
5.4.390.0070.05018.91
5.4.380.0100.07319.18
5.4.370.0170.07319.16
5.4.360.0170.04719.13
5.4.350.0070.07019.04
5.4.340.0030.06319.05
5.4.320.0070.07718.95
5.4.310.0130.07719.05
5.4.300.0070.08018.84
5.4.290.0030.05718.94
5.4.280.0030.08719.04
5.4.270.0070.04719.09
5.4.260.0070.03718.87
5.4.250.0070.08019.14
5.4.240.0100.07319.04
5.4.230.0100.07318.86
5.4.220.0200.03318.87
5.4.210.0030.05318.92
5.4.200.0030.05019.04
5.4.190.0030.05019.03
5.4.180.0000.08719.02
5.4.170.0030.08019.15
5.4.160.0170.07319.07
5.4.150.0070.05718.83
5.4.140.0100.07016.34
5.4.130.0070.07316.34
5.4.120.0130.07016.40
5.4.110.0100.07016.55
5.4.100.0000.07716.50
5.4.90.0030.04716.27
5.4.80.0070.03316.25
5.4.70.0070.04016.44
5.4.60.0170.06316.36
5.4.50.0030.07316.34
5.4.40.0100.07316.45
5.4.30.0030.03716.30
5.4.20.0030.04316.31
5.4.10.0100.07016.45
5.4.00.0100.06715.81

preferences:
64.39 ms | 401 KiB | 5 Q