3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object) array();$b = (object) array();function object_handle($obj){ static $mask = 0; if (!$mask) { $obj = (object) array(); $mask = hexdec(substr(spl_object_hash($obj), 0, 16)); foreach (debug_backtrace(PHP_VERSION_ID >= 50400 ? DEBUG_BACKTRACE_IGNORE_ARGS : false) as $frame) { if (isset($frame['function'][0]) && !isset($frame['class']) && 'o' === $frame['function'][0] && in_array($frame['function'], array('ob_clean','ob_end_clean','ob_flush','ob_end_flush','ob_get_contents','ob_get_flush'), true)) { $frame = false; break; } } if ($frame) { ob_start(); debug_zval_dump($obj); $mask ^= substr(ob_get_clean(), 17); } } return hexdec(substr(spl_object_hash($obj), 0, 16)) ^ $mask;}ob_start('abc');ob_end_flush();$o = [];echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($o[]=(object) array()), "\n";echo object_handle($b), "\n";echo object_handle($a), "\n";function abc(){ global $a; return object_handle($a);}ob_start('abc');

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)
8.3.60.0110.00418.43
8.3.50.0070.01621.94
8.3.40.0150.00018.83
8.3.30.0090.00618.91
8.3.20.0080.00020.29
8.3.10.0060.00320.65
8.3.00.0060.00319.38
8.2.180.0130.00616.75
8.2.170.0070.00722.96
8.2.160.0090.00619.36
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0080.00022.20
8.2.110.0030.00620.99
8.2.100.0080.00417.84
8.2.90.0040.00419.25
8.2.80.0030.00717.97
8.2.70.0060.00317.63
8.2.60.0000.00818.03
8.2.50.0000.00818.10
8.2.40.0080.00018.17
8.2.30.0050.00218.05
8.2.20.0050.00317.79
8.2.10.0000.00718.18
8.2.00.0000.00717.89
8.1.280.0040.01125.92
8.1.270.0090.00022.14
8.1.260.0040.00426.35
8.1.250.0100.00028.09
8.1.240.0060.00320.91
8.1.230.0070.00417.83
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0000.00918.64
8.1.160.0000.00822.05
8.1.150.0040.00418.88
8.1.140.0040.00417.41
8.1.130.0000.00717.87
8.1.120.0000.00717.50
8.1.110.0060.00317.43
8.1.100.0000.00717.50
8.1.90.0070.00017.48
8.1.80.0040.00417.48
8.1.70.0030.00517.37
8.1.60.0090.00017.61
8.1.50.0000.00817.58
8.1.40.0050.00317.47
8.1.30.0050.00317.56
8.1.20.0030.00617.61
8.1.10.0040.00417.60
8.1.00.0030.00917.48
8.0.300.0040.00421.65
8.0.290.0060.00317.00
8.0.280.0040.00418.45
8.0.270.0030.00317.30
8.0.260.0030.00317.27
8.0.250.0070.00017.08
8.0.240.0050.00217.08
8.0.230.0000.00717.00
8.0.220.0030.00616.99
8.0.210.0040.00416.99
8.0.200.0000.00717.11
8.0.190.0040.00416.95
8.0.180.0060.00317.02
8.0.170.0040.00417.08
8.0.160.0040.00416.92
8.0.150.0040.00416.95
8.0.140.0080.00016.95
8.0.130.0000.00613.39
8.0.120.0060.00316.91
8.0.110.0000.00716.89
8.0.100.0050.00216.99
8.0.90.0040.00416.83
8.0.80.0100.01016.97
8.0.70.0050.00216.86
8.0.60.0050.00216.90
8.0.50.0040.00416.89
8.0.30.0070.01317.18
8.0.20.0120.01117.43
8.0.10.0000.00817.02
8.0.00.0090.01116.86
7.4.330.0000.00515.00
7.4.320.0030.00316.53
7.4.300.0000.00816.56
7.4.290.0030.00316.67
7.4.280.0000.00716.43
7.4.270.0000.00716.57
7.4.260.0030.00516.52
7.4.250.0000.00716.58
7.4.240.0020.00516.60
7.4.230.0080.00016.71
7.4.220.0130.01316.41
7.4.210.0040.01116.63
7.4.200.0000.00716.68
7.4.160.0070.01016.46
7.4.150.0080.01217.40
7.4.140.0100.00817.86
7.4.130.0110.00716.58
7.4.120.0080.01116.64
7.4.110.0070.01616.60
7.4.100.0140.01116.70
7.4.90.0110.00716.48
7.4.80.0090.00919.39
7.4.70.0030.01416.57
7.4.60.0070.01116.69
7.4.50.0040.00416.43
7.4.40.0110.00716.56
7.4.30.0110.00716.52
7.4.00.0070.00715.04
7.3.330.0020.00213.46
7.3.320.0000.00613.41
7.3.310.0030.00316.49
7.3.300.0040.00416.46
7.3.290.0100.01016.42
7.3.280.0070.01116.46
7.3.270.0150.00617.40
7.3.260.0120.00616.39
7.3.250.0110.01116.52
7.3.240.0090.00916.46
7.3.230.0090.00816.42
7.3.210.0090.00616.57
7.3.200.0050.01119.39
7.3.190.0060.01316.34
7.3.180.0060.01516.68
7.3.170.0080.00816.56
7.3.160.0080.01516.45
7.2.330.0030.01416.81
7.2.320.0090.00916.89
7.2.310.0100.00716.57
7.2.300.0090.00816.70
7.2.290.0100.01016.73
7.2.60.0100.00316.91
7.2.50.0060.00916.87
7.1.200.0090.00315.88
7.1.70.0030.01216.98
7.1.60.0070.00717.29
7.1.50.0110.00716.97
7.1.00.0100.07022.31
7.0.200.0030.00816.98
7.0.140.0030.07322.12
7.0.60.0100.07019.95
7.0.50.0030.05017.89
7.0.40.0200.07720.10
7.0.30.0230.04020.20
7.0.20.0230.04020.07
7.0.10.0100.08720.16
7.0.00.0030.08020.24
5.6.280.0030.07320.94
5.6.210.0070.05720.49
5.6.200.0100.07318.27
5.6.190.0100.05320.62
5.6.180.0300.05020.48
5.6.170.0370.04020.57
5.6.160.0100.04020.39
5.6.150.0030.07718.24
5.6.140.0070.08018.23
5.6.130.0070.05318.12
5.6.120.0030.06320.94
5.6.110.0030.05321.01
5.6.100.0100.09021.06
5.6.90.0070.06021.15
5.6.80.0070.07720.44
5.5.350.0230.07720.46
5.5.340.0030.09317.98
5.5.330.0130.07320.32
5.5.320.0400.05320.34
5.5.310.0300.08320.27
5.5.300.0030.05017.98
5.5.290.0000.06318.04
5.5.280.0070.08720.90
5.5.270.0130.06020.87
5.5.260.0130.07320.77
5.5.250.0130.05020.52
5.5.240.0200.07020.27
5.4.450.0030.04319.48
5.4.440.0930.06019.17
5.4.430.1030.05719.56
5.4.420.0700.00019.41
5.4.410.0700.00019.52
5.4.400.0770.00019.23
5.4.390.0630.00019.11
5.4.380.0670.00019.00
5.4.370.0630.00019.26
5.4.360.0600.00019.11
5.4.350.0630.00019.06
5.4.340.0600.00019.02
5.4.320.0080.03612.52
5.4.310.0050.03912.52
5.4.300.0020.04112.52
5.4.290.0040.04012.52
5.4.280.0080.03512.42
5.4.270.0060.03712.41
5.4.260.0110.03312.42
5.4.250.0080.03712.42
5.4.240.0060.03612.41
5.4.230.0050.05012.41
5.4.220.0040.03912.41
5.4.210.0040.03812.41
5.4.200.0060.03812.41
5.4.190.0100.03512.41
5.4.180.0060.03812.41
5.4.170.0020.04012.41
5.4.160.0120.03012.41
5.4.150.0050.03912.40
5.4.140.0060.03912.09
5.4.130.0090.03312.08
5.4.120.0070.03512.04
5.4.110.0130.03512.04
5.4.100.0090.03312.03
5.4.90.0110.03312.03
5.4.80.0070.03512.03
5.4.70.0080.03212.02
5.4.60.0060.03412.03
5.4.50.0060.04212.03
5.4.40.0090.04312.02
5.4.30.0120.03612.01
5.4.20.0070.03812.02
5.4.10.0090.03212.01
5.4.00.0080.04311.51
5.3.290.0060.04812.80
5.3.280.0040.04512.71
5.3.270.0070.05112.73
5.3.260.0060.04212.71
5.3.250.0090.04212.72
5.3.240.0070.03612.72
5.3.230.0070.03812.71
5.3.220.0020.04112.68
5.3.210.0070.03812.68
5.3.200.0060.03712.68
5.3.190.0040.03912.68
5.3.180.0100.03212.67
5.3.170.0070.03612.67
5.3.160.0090.03712.68
5.3.150.0050.03812.67
5.3.140.0060.03612.66
5.3.130.0080.03612.66
5.3.120.0100.03412.66
5.3.110.0100.03412.66
5.3.100.0070.03512.14
5.3.90.0110.03112.12
5.3.80.0120.02912.11
5.3.70.0110.03112.11
5.3.60.0050.03612.09
5.3.50.0060.03512.04
5.3.40.0100.04012.04
5.3.30.0090.03212.00
5.3.20.0040.03711.78
5.3.10.0050.03611.74
5.3.00.0100.03211.73
5.2.170.0090.0269.24
5.2.160.0020.0319.23
5.2.150.0080.0269.23
5.2.140.0040.0319.23
5.2.130.0060.0319.19
5.2.120.0040.0349.19
5.2.110.0060.0369.20
5.2.100.0050.0299.19
5.2.90.0050.0289.19
5.2.80.0060.0289.19
5.2.70.0010.0339.19
5.2.60.0070.0279.14
5.2.50.0050.0299.12
5.2.40.0050.0289.09
5.2.30.0020.0329.06
5.2.20.0040.0299.07
5.2.10.0030.0298.96
5.2.00.0040.0298.82
5.1.60.0050.0238.11
5.1.50.0030.0268.11
5.1.40.0050.0238.08
5.1.30.0010.0298.44
5.1.20.0050.0268.45
5.1.10.0070.0238.19
5.1.00.0050.0258.18
5.0.50.0020.0216.66
5.0.40.0010.0226.53
5.0.30.0040.0356.33
5.0.20.0010.0226.29
5.0.10.0050.0186.29
5.0.00.0030.0316.27
4.4.90.0010.0174.78
4.4.80.0030.0154.75
4.4.70.0040.0144.75
4.4.60.0020.0164.75
4.4.50.0050.0154.77
4.4.40.0030.0254.71
4.4.30.0010.0174.76
4.4.20.0010.0174.85
4.4.10.0020.0164.85
4.4.00.0050.0224.76
4.3.110.0010.0174.67
4.3.100.0030.0144.67
4.3.90.0040.0134.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0010.0164.63
4.3.50.0030.0154.63
4.3.40.0030.0264.53
4.3.30.0010.0173.32
4.3.20.0030.0153.29
4.3.10.0010.0173.26
4.3.00.0100.01316.48

preferences:
41.6 ms | 401 KiB | 5 Q