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:0;i:1;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)
8.3.40.0120.00318.80
8.3.30.0070.00718.81
8.3.20.0040.00420.21
8.3.10.0080.00023.48
8.3.00.0090.00019.79
8.2.170.0110.00422.96
8.2.160.0100.00320.39
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0110.00017.50
8.2.110.0090.00022.11
8.2.100.0040.00717.75
8.2.90.0080.00019.05
8.2.80.0040.00417.97
8.2.70.0050.00517.35
8.2.60.0050.00217.80
8.2.50.0000.00818.07
8.2.40.0040.00419.41
8.2.30.0110.00017.89
8.2.20.0060.00317.61
8.2.10.0000.00717.99
8.2.00.0030.00518.13
8.1.270.0090.00620.38
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00322.29
8.1.230.0060.00617.42
8.1.220.0080.00417.74
8.1.210.0040.00418.77
8.1.200.0000.01017.36
8.1.190.0000.00817.23
8.1.180.0090.00018.10
8.1.170.0030.00518.65
8.1.160.0040.00422.02
8.1.150.0000.00718.72
8.1.140.0000.00917.42
8.1.130.0030.00317.72
8.1.120.0030.00517.32
8.1.110.0000.00717.38
8.1.100.0070.00017.32
8.1.90.0040.00417.31
8.1.80.0020.00517.39
8.1.70.0050.00217.39
8.1.60.0080.00017.48
8.1.50.0030.00617.47
8.1.40.0030.00617.48
8.1.30.0000.00817.73
8.1.20.0000.00917.61
8.1.10.0040.00417.50
8.1.00.0070.00017.54
8.0.300.0050.00218.77
8.0.290.0000.00816.88
8.0.280.0040.00418.46
8.0.270.0080.00017.20
8.0.260.0030.00717.28
8.0.250.0040.00417.01
8.0.240.0030.00317.07
8.0.230.0070.00016.91
8.0.220.0090.00317.03
8.0.210.0000.00817.03
8.0.200.0000.00717.06
8.0.190.0030.00616.93
8.0.180.0000.00716.89
8.0.170.0000.00816.89
8.0.160.0000.00816.95
8.0.150.0000.00716.78
8.0.140.0070.00016.90
8.0.130.0000.00613.45
8.0.120.0000.00816.85
8.0.110.0000.00816.98
8.0.100.0040.00416.89
8.0.90.0040.00416.79
8.0.80.0040.01516.98
8.0.70.0040.00416.91
8.0.60.0000.00716.80
8.0.50.0070.00016.91
8.0.30.0130.00717.08
8.0.20.0130.00617.40
8.0.10.0030.00517.15
8.0.00.0100.00716.82
7.4.330.0040.00415.08
7.4.320.0000.00616.54
7.4.300.0030.00316.49
7.4.290.0070.00016.48
7.4.280.0000.00816.45
7.4.270.0030.00316.56
7.4.260.0090.00316.47
7.4.250.0040.00416.53
7.4.240.0020.00516.56
7.4.230.0000.00716.59
7.4.220.0090.00916.57
7.4.210.0090.00816.47
7.4.200.0040.00416.50
7.4.160.0050.01116.64
7.4.150.0030.01617.40
7.4.140.0100.00917.86
7.4.130.0130.00416.58
7.4.120.0100.00716.58
7.4.110.0100.00716.65
7.4.100.0140.00916.37
7.4.90.0130.00716.46
7.4.80.0060.01119.39
7.4.70.0100.01316.54
7.4.60.0130.00416.50
7.4.50.0000.00816.40
7.4.40.0120.00616.41
7.4.30.0130.00416.55
7.4.00.0040.00415.21
7.3.330.0000.00513.32
7.3.320.0000.00613.41
7.3.310.0000.00716.34
7.3.300.0070.00016.34
7.3.290.0030.00316.39
7.3.280.0090.00816.38
7.3.270.0120.00617.40
7.3.260.0090.01516.63
7.3.240.0150.01016.48
7.3.230.0190.00316.43
7.3.210.0100.01316.45
7.3.200.0130.01016.49
7.3.190.0100.00616.54
7.3.180.0100.00616.62
7.3.170.0030.01316.41
7.3.160.0070.00916.66
7.3.10.0000.01616.24
7.3.00.0080.00616.58
7.2.330.0150.00616.79
7.2.320.0070.01716.82
7.2.310.0090.00916.49
7.2.300.0080.00816.50
7.2.290.0030.01516.72
7.2.130.0100.00616.58
7.2.120.0070.00816.79
7.2.110.0110.00416.70
7.2.100.0100.00416.84
7.2.90.0090.00916.64
7.2.80.0080.00616.75
7.2.70.0080.00716.49
7.2.60.0060.00616.69
7.2.50.0030.00816.61
7.2.40.0050.00716.70
7.2.30.0030.00916.69
7.2.20.0030.01216.85
7.2.10.0060.00716.60
7.2.00.0090.00617.81
7.1.250.0120.00515.55
7.1.240.0040.00815.69
7.1.230.0080.00815.50
7.1.220.0080.00015.59
7.1.210.0100.00715.77
7.1.200.0050.00715.74
7.1.190.0000.01115.60
7.1.180.0000.01215.73
7.1.170.0060.00615.79
7.1.160.0040.01115.87
7.1.150.0060.00915.58
7.1.140.0080.00615.84
7.1.130.0060.00915.64
7.1.120.0070.00715.77
7.1.110.0040.01015.57
7.1.100.0090.00716.98
7.1.90.0120.00615.83
7.1.80.0030.01015.57
7.1.70.0070.00216.16
7.1.60.0050.01017.54
7.1.50.0000.01316.36
7.1.40.0030.00915.63
7.1.30.0030.01015.67
7.1.20.0030.01015.74
7.1.10.0030.01015.83
7.1.00.0050.04019.08
7.0.330.0050.00815.16
7.0.320.0030.01015.44
7.0.310.0100.00315.31
7.0.300.0060.00315.07
7.0.290.0000.01215.23
7.0.280.0070.00715.18
7.0.270.0090.00415.32
7.0.260.0070.01015.07
7.0.250.0070.00415.21
7.0.240.0030.00815.29
7.0.230.0070.00715.13
7.0.220.0030.00815.26
7.0.210.0080.00315.22
7.0.200.0140.00615.66
7.0.190.0100.00015.25
7.0.180.0060.00915.51
7.0.170.0030.01015.43
7.0.160.0120.00315.55
7.0.150.0100.00715.25
7.0.140.0000.01115.28
7.0.130.0080.00315.42
7.0.120.0000.01315.35
7.0.110.0040.00815.20
7.0.100.0100.00715.41
7.0.90.0000.01415.20
7.0.80.0030.01215.37
7.0.70.0150.00015.47
7.0.60.0070.04717.60
7.0.50.0020.05116.47
7.0.40.0050.04416.69
7.0.30.0160.04316.78
7.0.20.0180.04016.68
7.0.10.0130.03016.79
7.0.00.0070.04316.71
5.6.380.0030.00714.25
5.6.370.0090.00914.64
5.6.360.0070.01014.25
5.6.350.0120.00414.15
5.6.340.0130.00314.32
5.6.330.0080.00814.34
5.6.320.0100.00314.17
5.6.310.0070.01014.63
5.6.300.0070.00714.56
5.6.290.0080.00813.94
5.6.280.0070.01817.66
5.6.270.0060.00613.98
5.6.260.0060.00314.16
5.6.250.0070.00714.57
5.6.240.0030.01714.48
5.6.230.0130.00414.14
5.6.220.0070.01114.28
5.6.210.0020.02617.38
5.6.200.0120.03516.10
5.6.190.0060.04717.35
5.6.180.0170.02917.25
5.6.170.0220.03617.32
5.6.160.0090.03417.15
5.6.150.0090.02716.06
5.6.140.0060.03116.08
5.6.130.0090.03816.07
5.6.120.0100.04317.46
5.6.110.0080.04717.43
5.6.100.0110.02517.66
5.6.90.0130.04117.72
5.6.80.0060.04717.28
5.6.70.0110.04217.22
5.6.60.0070.01114.54
5.6.50.0070.01113.72
5.6.40.0040.01314.07
5.6.30.0080.00814.27
5.6.20.0120.00314.04
5.6.10.0000.01714.27
5.6.00.0040.01214.16
5.5.380.0040.00911.31
5.5.370.0000.01411.11
5.5.360.0000.01010.91
5.5.350.0080.01815.89
5.5.340.0090.04014.56
5.5.330.0080.04315.62
5.5.320.0200.03415.81
5.5.310.0160.02915.59
5.5.300.0060.02614.45
5.5.290.0070.02214.44
5.5.280.0060.04815.93
5.5.270.0080.03815.82
5.5.260.0090.02516.08
5.5.250.0090.03115.83
5.5.240.0170.02815.87
5.5.230.0070.00711.36
5.5.220.0090.00610.84
5.5.210.0070.00710.99
5.5.200.0050.00811.26
5.5.190.0030.00610.65
5.5.180.0060.00611.14
5.5.170.0030.00911.05
5.5.160.0000.01410.84
5.5.150.0090.00010.73
5.5.140.0100.00011.38
5.5.130.0050.00511.29
5.5.120.0080.00010.96
5.5.110.0040.00711.27
5.5.100.0080.00310.97
5.5.90.0140.00011.11
5.5.80.0090.00010.88
5.5.70.0030.01011.07
5.5.60.0060.00610.88
5.5.50.0100.00010.62
5.5.40.0050.00510.68
5.5.30.0070.00010.95
5.5.20.0050.00510.84
5.5.10.0050.00710.77
5.5.00.0100.00310.83
5.4.450.0440.03615.26
5.4.440.0410.02515.19
5.4.430.0470.01815.23
5.4.420.0460.02715.16
5.4.410.0350.03115.23
5.4.400.0300.03314.96
5.4.390.0310.03414.96
5.4.380.0410.02515.00
5.4.370.0330.04315.04
5.4.360.0380.03014.96
5.4.350.0390.02814.75
5.4.340.0350.03515.09
5.4.330.0040.00410.88
5.4.320.0410.02914.83
5.4.310.0420.02514.96
5.4.300.0330.03915.17
5.4.290.0450.03415.06
5.4.280.0430.03414.79
5.4.270.0410.02915.04
5.4.260.0510.02814.89
5.4.250.0470.03314.86
5.4.240.0300.03215.12
5.4.230.0330.03514.90
5.4.220.0330.03114.77
5.4.210.0210.03214.78
5.4.200.0180.03314.92
5.4.190.0110.03314.79
5.4.180.0290.02714.96
5.4.170.0260.03014.81
5.4.160.0070.02814.82
5.4.150.0380.02815.02
5.4.140.0450.03013.37
5.4.130.0340.02513.53
5.4.120.0140.02413.52
5.4.110.0280.03013.52
5.4.100.0250.03213.84
5.4.90.0280.03013.92
5.4.80.0260.02413.70
5.4.70.0120.02813.77
5.4.60.0160.02113.71
5.4.50.0050.03013.74
5.4.40.0070.03013.67
5.4.30.0040.02613.66
5.4.20.0180.02513.69
5.4.10.0040.00910.89
5.4.00.0090.00010.86

preferences:
43.75 ms | 400 KiB | 5 Q