3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object) array();$b = (object) array();function object_handle($object){ 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); $mask ^= substr(ob_get_clean(), 17); } } return hexdec(substr(spl_object_hash($object), 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);}

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)
8.3.60.0070.00718.54
8.3.50.0140.00822.02
8.3.40.0070.00718.84
8.3.30.0110.00419.21
8.3.20.0000.00720.21
8.3.10.0040.00420.65
8.3.00.0090.00019.25
8.2.180.0040.01118.13
8.2.170.0150.00322.96
8.2.160.0100.00320.57
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0040.00422.29
8.2.110.0060.00319.27
8.2.100.0070.00418.03
8.2.90.0040.00419.12
8.2.80.0030.00917.97
8.2.70.0000.00817.75
8.2.60.0000.00818.05
8.2.50.0040.00418.10
8.2.40.0080.00018.32
8.2.30.0000.00818.04
8.2.20.0000.00817.84
8.2.10.0000.00718.23
8.2.00.0040.00417.87
8.1.280.0100.01325.92
8.1.270.0040.00423.84
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0000.00921.34
8.1.230.0080.00417.83
8.1.220.0050.00317.77
8.1.210.0040.00418.77
8.1.200.0030.00717.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0070.00021.91
8.1.150.0000.00718.91
8.1.140.0040.00417.39
8.1.130.0070.00017.76
8.1.120.0050.00217.39
8.1.110.0000.00917.48
8.1.100.0000.00817.48
8.1.90.0040.00417.38
8.1.80.0070.00017.38
8.1.70.0050.00317.45
8.1.60.0000.00817.59
8.1.50.0000.00817.50
8.1.40.0050.00317.53
8.1.30.0050.00317.58
8.1.20.0020.00517.69
8.1.10.0040.00417.56
8.1.00.0070.00417.45
8.0.300.0040.00418.77
8.0.290.0030.00616.75
8.0.280.0070.00018.39
8.0.270.0050.00217.28
8.0.260.0000.00717.20
8.0.250.0030.00317.05
8.0.240.0030.00317.07
8.0.230.0000.00816.93
8.0.220.0090.00216.94
8.0.210.0000.00716.94
8.0.200.0030.00317.03
8.0.190.0040.00717.06
8.0.180.0080.00316.87
8.0.170.0000.00817.01
8.0.160.0040.00416.97
8.0.150.0000.00816.90
8.0.140.0050.00316.96
8.0.130.0050.00013.39
8.0.120.0040.00416.86
8.0.110.0070.00016.82
8.0.100.0000.00716.95
8.0.90.0030.00616.85
8.0.80.0110.01116.98
8.0.70.0040.00416.86
8.0.60.0000.00717.03
8.0.50.0040.00417.09
8.0.30.0090.01117.25
8.0.20.0090.01017.40
8.0.10.0000.00716.98
8.0.00.0130.00816.87
7.4.330.0000.00515.02
7.4.320.0000.00716.64
7.4.300.0030.00316.60
7.4.290.0030.00316.60
7.4.280.0000.00916.57
7.4.270.0030.00316.64
7.4.260.0000.00816.61
7.4.250.0060.00316.59
7.4.240.0020.00516.52
7.4.230.0030.00316.43
7.4.220.0090.01016.67
7.4.210.0060.00916.52
7.4.200.0000.00716.43
7.4.160.0090.00616.61
7.4.150.0130.01017.40
7.4.140.0110.00717.86
7.4.130.0060.01216.52
7.4.120.0120.00416.37
7.4.110.0130.01016.47
7.4.100.0150.00616.70
7.4.90.0000.01816.70
7.4.80.0060.01019.39
7.4.70.0070.01116.54
7.4.60.0100.00716.57
7.4.50.0050.00016.39
7.4.40.0090.00916.38
7.4.30.0170.00616.60
7.4.00.0040.01214.89
7.3.330.0020.00213.24
7.3.320.0050.00013.54
7.3.310.0000.00716.45
7.3.300.0050.00216.46
7.3.290.0150.01116.46
7.3.280.0110.00916.45
7.3.270.0090.00917.40
7.3.260.0060.01216.41
7.3.250.0100.01016.42
7.3.240.0060.01216.61
7.3.230.0120.00916.52
7.3.210.0120.00816.38
7.3.200.0080.01119.39
7.3.190.0060.01216.38
7.3.180.0100.00716.46
7.3.170.0180.00316.68
7.3.160.0180.00616.29
7.2.330.0070.01016.55
7.2.320.0060.01216.75
7.2.310.0090.01116.84
7.2.300.0060.01316.74
7.2.290.0030.01716.91
7.2.00.0030.00919.44
7.1.100.0060.00918.37
7.1.70.0000.00717.29
7.1.60.0040.00719.32
7.1.50.0030.01617.09
7.1.00.0030.07722.31
7.0.200.0000.00916.53
7.0.140.0030.07022.15
7.0.60.0000.08020.09
7.0.50.0030.04317.98
7.0.40.0030.05720.09
7.0.30.0230.04320.07
7.0.20.0300.04720.12
7.0.10.0030.05020.16
7.0.00.0030.07020.20
5.6.280.0070.06721.03
5.6.210.0030.09020.76
5.6.200.0000.08718.19
5.6.190.0070.08720.61
5.6.180.0170.04320.33
5.6.170.0400.08020.50
5.6.160.0100.08020.70
5.6.150.0030.08718.28
5.6.140.0030.04018.13
5.6.130.0000.05718.28
5.6.120.0030.05321.10
5.6.110.0000.04720.96
5.6.100.0030.04021.03
5.6.90.0030.08721.02
5.6.80.0030.09020.52
5.5.350.0230.08020.48
5.5.340.0030.04318.05
5.5.330.0070.05020.40
5.5.320.0100.07720.20
5.5.310.0170.05020.51
5.5.300.0130.04018.08
5.5.290.0130.06017.98
5.5.280.0100.06320.89
5.5.270.0070.08320.78
5.5.260.0100.06320.84
5.5.250.0070.08720.56
5.5.240.0230.07720.14
5.4.450.0170.04019.58
5.4.440.0200.03719.42
5.4.430.0200.03719.30
5.4.420.0200.03319.20
5.4.410.0200.03719.41
5.4.400.0130.04318.98
5.4.390.0270.06319.21
5.4.380.0270.06018.99
5.4.370.0270.04018.95
5.4.360.0230.07318.87
5.4.350.0200.03319.08
5.4.340.0300.06318.85
5.4.320.0170.04019.09
5.4.310.0230.03718.85
5.4.300.0270.07319.22
5.4.290.0330.07019.20
5.4.280.0230.03719.21
5.4.270.0230.03719.16
5.4.260.0300.04319.23
5.4.250.0270.04319.24
5.4.240.0400.04019.21
5.4.230.0200.05018.94
5.4.220.0400.03718.98
5.4.210.0270.07319.13
5.4.200.0270.07718.86
5.4.190.0230.07319.21
5.4.180.0330.04318.98
5.4.170.0230.05319.08
5.4.160.0500.03319.20
5.4.150.0370.07019.30
5.4.140.0370.05016.47
5.4.130.0230.05016.55
5.4.120.0230.05716.55
5.4.110.0230.03316.61
5.4.100.0330.06716.57
5.4.90.0230.07316.60
5.4.80.0230.05316.57
5.4.70.0300.04316.29
5.4.60.0230.06716.45
5.4.50.0330.03316.43
5.4.40.0200.06716.43
5.4.30.0230.07016.38
5.4.20.0330.06716.42
5.4.10.0330.06316.25
5.4.00.0300.07016.12
5.3.290.0300.04314.84
5.3.280.0300.05014.51
5.3.270.0230.03714.70
5.3.260.0270.07314.54
5.3.250.0370.06314.61
5.3.240.0270.04714.52
5.3.230.0230.08014.53
5.3.220.0230.06314.63
5.3.210.0300.05314.63
5.3.200.0330.06314.70
5.3.190.0270.06714.49
5.3.180.0270.08014.69
5.3.170.0270.07014.80
5.3.160.0300.07014.59
5.3.150.0270.05014.57
5.3.140.0170.04714.49
5.3.130.0170.08714.64
5.3.120.0300.06714.64
5.3.110.0230.07014.65
5.3.100.0300.05014.02
5.3.90.0270.05714.14
5.3.80.0230.04313.95
5.3.70.0330.06714.08
5.3.60.0200.06713.93
5.3.50.0400.03313.87
5.3.40.0270.05313.97
5.3.30.0300.05314.04
5.3.20.0370.03313.61
5.3.10.0370.05713.57
5.3.00.0230.05013.82
5.2.170.0200.06011.32
5.2.160.0270.04311.32
5.2.150.0270.05711.29
5.2.140.0170.06311.16
5.2.130.0170.05711.02
5.2.120.0300.05711.03
5.2.110.0300.05011.09
5.2.100.0200.05711.13
5.2.90.0330.05011.17
5.2.80.0230.05711.13
5.2.70.0300.04711.19
5.2.60.0230.05710.99
5.2.50.0230.04311.00
5.2.40.0130.04010.98
5.2.30.0230.05311.03
5.2.20.0200.03711.02
5.2.10.0270.05310.88
5.2.00.0130.06310.66
5.1.60.0200.0479.99
5.1.50.0130.02710.23
5.1.40.0130.02710.21
5.1.30.0130.03710.59
5.1.20.0200.05710.32
5.1.10.0200.05010.20
5.1.00.0170.05710.06
5.0.50.0170.0408.46
5.0.40.0070.0278.33
5.0.30.0100.0708.17
5.0.20.0130.0308.11
5.0.10.0070.0338.11
5.0.00.0130.0338.16
4.4.90.0200.0236.69
4.4.80.0100.0306.69
4.4.70.0130.0206.69
4.4.60.0130.0176.69
4.4.50.0100.0276.69
4.4.40.0100.0236.69
4.4.30.0070.0176.69
4.4.20.0100.0236.69
4.4.10.0030.0236.69
4.4.00.0130.0276.69
4.3.110.0070.0236.69
4.3.100.0100.0376.69
4.3.90.0130.0206.69
4.3.80.0100.0536.69
4.3.70.0100.0206.69
4.3.60.0070.0376.69
4.3.50.0070.0206.69
4.3.40.0070.0436.69
4.3.30.0030.0276.69
4.3.20.0030.0376.69
4.3.10.0070.0376.70
4.3.00.0000.0336.70

preferences:
40.43 ms | 401 KiB | 5 Q