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; $arr = 1; for ($i = 0; $i < 5; $i++) { $v[$i] = 'hi'.$i; } return 'hi'; } } $arr = array('string' => new obj); array_walk_recursive($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)
8.3.60.0130.00316.88
8.3.50.0110.00921.88
8.3.40.0160.00618.67
8.3.30.0180.00418.77
8.3.20.0110.00820.13
8.3.10.0000.00823.48
8.3.00.0120.00319.87
8.2.180.0110.01116.63
8.2.170.0060.01022.96
8.2.160.0070.01020.58
8.2.150.0030.00624.18
8.2.140.0050.00324.66
8.2.130.0100.00019.32
8.2.120.0030.00626.35
8.2.110.0070.00322.25
8.2.100.0060.00617.93
8.2.90.0040.00419.40
8.2.80.0080.00017.97
8.2.70.0060.00317.75
8.2.60.0030.00618.16
8.2.50.0060.00318.07
8.2.40.0000.00822.32
8.2.30.0040.00320.69
8.2.20.0000.00817.87
8.2.10.0000.00717.98
8.2.00.0030.00518.22
8.1.280.0080.00825.92
8.1.270.0000.00920.38
8.1.260.0080.00028.09
8.1.250.0060.00328.09
8.1.240.0000.00923.98
8.1.230.0040.00718.97
8.1.220.0040.00417.74
8.1.210.0030.00718.77
8.1.200.0070.00317.38
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0030.00520.76
8.1.150.0040.00418.80
8.1.140.0040.00419.61
8.1.130.0000.00717.75
8.1.120.0070.00017.31
8.1.110.0040.00417.34
8.1.100.0040.00417.36
8.1.90.0040.00417.38
8.1.80.0040.00417.43
8.1.70.0000.00717.41
8.1.60.0000.00717.53
8.1.50.0040.00417.43
8.1.40.0050.00317.37
8.1.30.0030.00517.66
8.1.20.0070.00017.71
8.1.10.0050.00317.57
8.1.00.0040.00417.40
8.0.300.0070.00018.77
8.0.290.0040.00416.88
8.0.280.0030.00318.43
8.0.270.0070.00017.13
8.0.260.0060.00017.16
8.0.250.0030.00317.03
8.0.240.0030.00316.89
8.0.230.0070.00016.91
8.0.220.0000.00716.83
8.0.210.0000.00716.95
8.0.200.0000.00717.03
8.0.190.0060.00317.02
8.0.180.0030.00316.86
8.0.170.0050.00316.88
8.0.160.0070.00016.86
8.0.150.0030.00316.88
8.0.140.0000.00716.93
8.0.130.0000.00513.37
8.0.120.0050.00316.93
8.0.110.0080.00016.95
8.0.100.0040.00416.77
8.0.90.0000.00816.94
8.0.80.0060.00916.95
8.0.70.0040.00416.87
8.0.60.0040.00417.01
8.0.50.0040.00416.90
8.0.30.0070.01317.20
8.0.20.0060.01317.40
8.0.10.0080.00017.09
8.0.00.0120.00616.92
7.4.330.0000.00516.66
7.4.320.0070.00016.34
7.4.300.0000.00616.64
7.4.290.0070.00016.48
7.4.280.0000.00816.49
7.4.270.0070.00016.58
7.4.260.0000.00716.45
7.4.250.0040.00416.46
7.4.240.0000.00716.48
7.4.230.0050.00316.40
7.4.220.0060.01216.63
7.4.210.0070.01116.54
7.4.200.0000.00716.63
7.4.160.0110.00716.55
7.4.150.0080.01117.40
7.4.140.0070.01317.86
7.4.130.0100.01116.59
7.4.120.0130.00616.46
7.4.110.0070.01416.47
7.4.100.0100.01016.50
7.4.90.0060.01316.62
7.4.80.0070.01619.39
7.4.70.0110.00716.45
7.4.60.0130.00316.55
7.4.50.0000.01316.45
7.4.40.0080.01416.50
7.4.30.0130.01016.64
7.4.00.0000.01214.71
7.3.330.0060.00013.45
7.3.320.0030.00313.43
7.3.310.0000.00716.48
7.3.300.0030.00316.43
7.3.290.0050.01116.39
7.3.280.0100.01216.44
7.3.270.0080.00817.40
7.3.260.0070.01016.46
7.3.250.0160.00916.40
7.3.240.0100.00716.43
7.3.230.0110.00716.39
7.3.210.0060.01016.59
7.3.200.0090.00616.57
7.3.190.0060.01016.48
7.3.180.0030.01716.69
7.3.170.0140.00316.58
7.3.160.0100.00616.33
7.2.330.0120.01216.74
7.2.320.0030.02016.71
7.2.310.0150.00316.58
7.2.300.0000.01616.53
7.2.290.0000.01616.59
7.2.60.0000.01216.64
7.2.00.0060.00919.59
7.1.200.0000.01315.47
7.1.100.0000.00817.79
7.1.70.0000.00717.10
7.1.60.0100.00719.52
7.1.50.0160.01016.83
7.1.00.0070.07322.40
7.0.200.0070.00016.57
7.0.60.0130.05020.02
7.0.50.0100.03317.83
7.0.40.0130.03319.87
7.0.30.0270.07319.82
7.0.20.0300.08019.98
7.0.10.0170.08019.81
7.0.00.0170.04319.88
5.6.280.0000.03721.02
5.6.210.0030.04320.72
5.6.200.0130.03718.29
5.6.190.0000.05320.54
5.6.180.0430.07020.34
5.6.170.0170.04720.46
5.6.160.0100.08020.50
5.6.150.0070.03718.23
5.6.140.0070.07018.15
5.6.130.0030.07718.15
5.6.120.0070.04721.15
5.6.110.0030.04720.88
5.6.100.0070.08021.00
5.6.90.0130.07720.97
5.6.80.0100.08020.41
5.5.350.0170.07320.45
5.5.340.0100.03318.02
5.5.330.0100.07720.19
5.5.320.0500.04020.34
5.5.310.0370.05320.34
5.5.300.0100.07718.10
5.5.290.0000.05018.04
5.5.280.0070.08020.85
5.5.270.0070.08320.76
5.5.260.0030.04020.87
5.5.250.0000.09020.59
5.5.240.0130.08720.29

preferences:
53.75 ms | 401 KiB | 5 Q