3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = (object) array(); $b = (object) array(); function object_handle($obj) { static $mask = 0, $offset; if (!$mask) { if (defined('HHVM_VERSION')) { $offset = 24; } else { $offset = 8; } $o = (object) array(); $mask = hexdec(substr(spl_object_hash($o), $offset, 8)); // check if we are nested in an output buffering handler to prevent a fatal error with ob_start() below 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')) ) { $frame['line'] = 0; break; } } if (!empty($frame['line'])) { debug_zval_dump($o); ob_start(); debug_zval_dump($o); $mask ^= substr(ob_get_clean(), 17); } } return hexdec(substr(spl_object_hash($obj), $offset, 8)) ^ $mask; } //ob_start('abc'); //ob_end_flush(); $o = array(); echo object_handle($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 $a; isset($a) or $a = (object) array(); return object_handle($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)
8.3.70.0150.00018.80
8.3.60.0110.00318.68
8.3.50.0110.01122.05
8.3.40.0140.00718.83
8.3.30.0040.01119.01
8.3.20.0060.00320.04
8.3.10.0000.00920.48
8.3.00.0080.00017.38
8.2.180.0000.01916.60
8.2.170.0000.01522.96
8.2.160.0140.00020.48
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0070.00022.09
8.2.110.0090.00020.56
8.2.100.0070.00418.03
8.2.90.0050.00319.17
8.2.80.0050.00317.97
8.2.70.0030.00617.63
8.2.60.0000.00818.02
8.2.50.0060.00318.07
8.2.40.0050.00317.97
8.2.30.0040.00418.27
8.2.20.0090.00017.71
8.2.10.0060.00318.17
8.2.00.0030.00617.72
8.1.280.0140.00725.92
8.1.270.0090.00023.83
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.72
8.1.230.0040.00719.04
8.1.220.0000.00817.77
8.1.210.0080.00018.77
8.1.200.0090.00017.23
8.1.190.0040.00417.35
8.1.180.0050.00318.10
8.1.170.0080.00018.49
8.1.160.0000.00721.92
8.1.150.0030.00518.98
8.1.140.0000.00817.53
8.1.130.0070.00017.83
8.1.120.0070.00017.39
8.1.110.0040.00417.57
8.1.100.0040.00417.35
8.1.90.0040.00417.48
8.1.80.0050.00217.51
8.1.70.0040.00417.38
8.1.60.0000.00917.61
8.1.50.0040.00417.47
8.1.40.0080.00017.51
8.1.30.0030.00617.50
8.1.20.0050.00317.62
8.1.10.0080.00017.61
8.1.00.0000.00817.50
8.0.300.0050.00218.77
8.0.290.0000.00716.75
8.0.280.0040.00418.46
8.0.270.0040.00317.17
8.0.260.0030.00317.31
8.0.250.0070.00017.00
8.0.240.0070.00017.07
8.0.230.0070.00016.97
8.0.220.0070.00017.02
8.0.210.0070.00016.94
8.0.200.0070.00017.02
8.0.190.0000.00916.96
8.0.180.0070.00016.90
8.0.170.0030.00617.00
8.0.160.0000.00716.96
8.0.150.0000.00716.89
8.0.140.0030.00716.93
8.0.130.0060.00013.39
8.0.120.0040.00416.96
8.0.110.0070.00016.82
8.0.100.0000.00716.77
8.0.90.0040.00416.98
8.0.80.0070.01016.96
8.0.70.0030.00617.04
8.0.60.0000.00717.02
8.0.50.0040.00416.94
8.0.30.0080.01117.12
8.0.20.0160.00617.40
8.0.10.0040.00417.07
8.0.00.0140.00616.96
7.4.330.0050.00015.00
7.4.320.0060.00016.50
7.4.300.0000.00616.61
7.4.290.0030.00316.54
7.4.280.0060.00316.61
7.4.270.0030.00316.47
7.4.260.0070.00016.66
7.4.250.0000.00916.66
7.4.240.0020.00516.57
7.4.230.0070.00016.54
7.4.220.0070.01116.59
7.4.210.0120.00316.50
7.4.200.0000.00716.66
7.4.160.0070.01416.63
7.4.150.0070.01317.40
7.4.140.0040.01417.86
7.4.130.0110.00616.51
7.4.120.0080.00816.53
7.4.110.0070.01016.64
7.4.100.0170.00016.58
7.4.90.0070.01116.57
7.4.80.0140.00419.39
7.4.70.0090.00916.69
7.4.60.0040.01916.61
7.4.50.0040.00016.70
7.4.40.0100.01116.53
7.4.30.0090.00916.52
7.4.00.0150.00315.04
7.3.330.0020.00213.33
7.3.320.0000.00713.42
7.3.310.0030.00316.42
7.3.300.0030.00316.51
7.3.290.0070.01116.48
7.3.280.0150.00316.48
7.3.270.0140.00717.40
7.3.260.0100.00716.63
7.3.250.0130.00516.44
7.3.240.0110.00716.67
7.3.230.0070.01016.43
7.3.210.0040.01216.59
7.3.200.0110.00819.39
7.3.190.0170.00716.67
7.3.180.0070.01416.64
7.3.170.0030.01416.55
7.3.160.0050.01716.41
7.3.120.0040.01114.79
7.3.110.0030.01214.97
7.3.100.0000.01615.01
7.3.90.0030.00614.90
7.3.80.0060.01015.01
7.3.70.0060.00914.86
7.3.60.0100.00714.80
7.3.50.0090.00615.02
7.3.40.0000.01514.72
7.3.30.0090.00615.00
7.3.20.0110.00016.70
7.3.10.0000.01716.62
7.3.00.0050.00916.70
7.2.330.0120.00916.88
7.2.320.0070.01016.82
7.2.310.0070.01416.41
7.2.300.0000.02416.84
7.2.290.0040.01516.62
7.2.240.0060.00914.93
7.2.230.0000.01815.29
7.2.220.0060.01115.25
7.2.210.0040.01115.22
7.2.200.0000.01215.36
7.2.190.0130.00315.21
7.2.180.0120.00314.77
7.2.170.0090.00615.07
7.2.160.0030.01214.99
7.2.150.0000.01416.88
7.2.140.0110.00416.96
7.2.130.0050.01216.96
7.2.120.0100.00716.83
7.2.110.0070.00716.81
7.2.100.0030.01216.98
7.2.90.0060.00816.82
7.2.80.0050.01216.78
7.2.70.0050.01116.89
7.2.60.0050.00916.80
7.2.50.0120.00617.02
7.2.40.0090.00716.84
7.2.30.0080.00816.75
7.2.20.0050.01116.86
7.2.10.0090.00716.82
7.2.00.0100.00616.99
7.1.330.0060.00915.72
7.1.320.0030.01116.08
7.1.310.0030.01015.92
7.1.300.0030.00715.66
7.1.290.0000.01215.97
7.1.280.0000.01215.61
7.1.270.0090.00615.59
7.1.260.0100.00615.68
7.1.250.0100.00615.79
7.1.240.0070.01115.27
7.1.230.0110.00715.62
7.1.220.0080.00615.67
7.1.210.0110.00715.45
7.1.200.0040.00915.86
7.1.190.0030.01015.92
7.1.180.0170.00015.61
7.1.170.0100.00315.56
7.1.160.0130.00015.51
7.1.150.0030.01215.79
7.1.140.0130.00315.88
7.1.130.0090.00615.50
7.1.120.0070.00715.79
7.1.110.0130.00715.52
7.1.100.0060.00915.63
7.1.90.0130.01315.84
7.1.80.0110.01115.71
7.1.70.0050.00716.48
7.1.60.0140.00717.63
7.1.50.0110.01016.36
7.1.40.0110.00715.68
7.1.30.0130.00315.57
7.1.20.0110.00715.82
7.1.10.0120.00615.75
7.1.00.0050.04319.12
7.0.330.0120.00015.51
7.0.320.0110.00315.41
7.0.310.0070.00715.41
7.0.300.0070.00715.37
7.0.290.0040.00915.11
7.0.280.0040.01115.41
7.0.270.0060.00615.30
7.0.260.0100.00814.98
7.0.250.0140.00315.29
7.0.240.0150.00615.37
7.0.230.0110.00615.42
7.0.220.0090.00915.37
7.0.210.0130.00315.58
7.0.200.0070.00716.07
7.0.190.0070.00715.39
7.0.180.0100.00715.36
7.0.170.0160.00015.60
7.0.160.0070.00715.48
7.0.150.0110.00715.14
7.0.140.0080.03718.64
7.0.130.0140.00315.60
7.0.120.0100.00315.58
7.0.110.0100.00615.18
7.0.100.0030.01115.42
7.0.90.0130.00315.13
7.0.80.0090.00615.16
7.0.70.0080.00815.24
7.0.60.0030.02517.62
7.0.50.0060.04616.82
7.0.40.0100.04816.79
7.0.30.0340.03716.80
7.0.20.0180.04216.68
7.0.10.0070.02516.73
7.0.00.0050.04216.69
5.6.380.0090.00614.07
5.6.370.0040.01214.36
5.6.360.0070.00913.90
5.6.350.0060.00914.20
5.6.340.0070.01014.30
5.6.330.0060.00914.39
5.6.320.0060.01114.29
5.6.310.0130.00514.69
5.6.300.0030.01314.45
5.6.290.0100.00314.57
5.6.280.0050.03917.70
5.6.270.0070.00414.33
5.6.260.0040.01114.31
5.6.250.0070.00714.35
5.6.240.0040.00814.27
5.6.230.0080.00814.37
5.6.220.0080.00814.21
5.6.210.0030.04517.44
5.6.200.0070.03016.20
5.6.190.0070.02117.39
5.6.180.0220.04417.38
5.6.170.0190.03817.42
5.6.160.0000.03117.33
5.6.150.0050.03616.24
5.6.140.0080.04316.35
5.6.130.0100.02816.25
5.6.120.0080.02317.55
5.6.110.0100.04517.58
5.6.100.0100.04317.78
5.6.90.0020.04717.63
5.6.80.0100.03817.27
5.6.70.0070.00714.42
5.6.60.0080.01114.12
5.6.50.0080.01114.27
5.6.40.0030.01514.14
5.6.30.0000.01714.53
5.6.20.0160.00314.10
5.6.10.0040.01214.29
5.6.00.0060.01014.03
5.5.380.0050.00511.18
5.5.370.0030.00611.21
5.5.360.0020.00511.18
5.5.350.0140.03815.80
5.5.340.0080.04114.63
5.5.330.0100.01815.79
5.5.320.0080.02715.76
5.5.310.0210.04015.77
5.5.300.0020.02614.61
5.5.290.0070.04314.57
5.5.280.0070.04315.98
5.5.270.0080.02515.97
5.5.260.0060.04216.01
5.5.250.0050.04515.97
5.5.240.0130.04015.68
5.5.230.0090.00211.21
5.5.220.0090.00611.18
5.5.210.0050.00711.18
5.5.200.0050.00911.28
5.5.190.0020.00711.18
5.5.180.0030.01211.18
5.5.170.0050.00511.18
5.5.160.0040.00811.18
5.5.150.0000.01011.18
5.5.140.0000.01311.18
5.5.130.0100.00311.18
5.5.120.0050.00511.18
5.5.110.0000.00911.38
5.5.100.0030.00911.18
5.5.90.0050.00511.18
5.5.80.0030.00511.18
5.5.70.0070.00711.18
5.5.60.0030.01011.18
5.5.50.0030.00911.18
5.5.40.0090.00611.18
5.5.30.0050.00511.18
5.5.20.0060.00611.18
5.5.10.0000.01211.18
5.5.00.0040.00711.18
5.4.450.0240.01815.33
5.4.440.0500.03615.42
5.4.430.0500.03215.31
5.4.420.0320.00715.28
5.4.410.0350.00315.29
5.4.400.0340.00515.15
5.4.390.0340.00315.10
5.4.380.0320.00715.12
5.4.370.0360.00215.15
5.4.360.0340.00515.10
5.4.350.0380.00115.10
5.4.340.0360.00115.12
5.4.330.0070.00711.18
5.4.320.0020.02511.85
5.4.310.0080.02511.85
5.4.300.0090.02111.85
5.4.290.0090.01911.85
5.4.280.0060.02311.80
5.4.270.0080.02211.80
5.4.260.0060.02211.80
5.4.250.0030.02511.79
5.4.240.0060.02211.79
5.4.230.0040.02811.79
5.4.220.0030.02411.79
5.4.210.0040.02311.79
5.4.200.0080.02011.79
5.4.190.0040.02711.79
5.4.180.0020.02511.79
5.4.170.0070.01911.79
5.4.160.0050.02611.79
5.4.150.0060.02111.79
5.4.140.0050.02211.63
5.4.130.0070.01911.63
5.4.120.0050.02111.61
5.4.110.0070.02011.60
5.4.100.0080.02511.60
5.4.90.0080.02411.61
5.4.80.0090.02211.60
5.4.70.0040.02111.60
5.4.60.0080.02211.60
5.4.50.0080.02611.60
5.4.40.0040.02311.67
5.4.30.0040.02611.60
5.4.20.0060.02111.60
5.4.10.0050.02111.59
5.4.00.0070.02011.36
5.3.290.0030.02511.99
5.3.280.0060.02411.95
5.3.270.0030.02711.95
5.3.260.0070.02611.95
5.3.250.0020.02711.95
5.3.240.0080.02111.95
5.3.230.0040.02411.95
5.3.220.0050.02311.93
5.3.210.0040.02411.93
5.3.200.0080.01911.93
5.3.190.0100.01911.93
5.3.180.0040.02311.93
5.3.170.0070.02111.93
5.3.160.0040.02411.93
5.3.150.0050.02411.93
5.3.140.0060.02111.93
5.3.130.0060.02911.92
5.3.120.0090.02011.92
5.3.110.0050.02211.92
5.3.100.0070.02211.67
5.3.90.0070.02111.66
5.3.80.0070.02111.65
5.3.70.0080.01811.66
5.3.60.0050.02111.65
5.3.50.0090.01811.62
5.3.40.0060.02411.62
5.3.30.0070.02011.60
5.3.20.0050.02311.49
5.3.10.0060.02011.47
5.3.00.0020.02711.47
5.2.170.0070.01710.22
5.2.160.0020.02210.22
5.2.150.0020.02410.22
5.2.140.0040.01910.21
5.2.130.0050.01710.20
5.2.120.0070.01610.20
5.2.110.0070.01610.20
5.2.100.0070.01510.20
5.2.90.0040.02210.20
5.2.80.0050.02010.20
5.2.70.0060.01810.19
5.2.60.0040.02010.17
5.2.50.0030.02010.16
5.2.40.0050.01910.15
5.2.30.0040.02010.13
5.2.20.0050.01810.13
5.2.10.0050.01910.07
5.2.00.0080.01510.01
5.1.60.0050.0149.65
5.1.50.0030.0169.65
5.1.40.0070.0129.64
5.1.30.0040.0179.81
5.1.20.0090.0139.83
5.1.10.0040.0179.69
5.1.00.0060.0169.69
5.0.50.0060.0138.93
5.0.40.0030.0138.86
5.0.30.0040.0198.77
5.0.20.0020.0128.75
5.0.10.0030.0138.74
5.0.00.0050.0188.73
4.4.90.0020.0117.98
4.4.80.0050.0127.96
4.4.70.0020.0107.97
4.4.60.0020.0097.96
4.4.50.0020.0117.97
4.4.40.0050.0147.94
4.4.30.0050.0097.97
4.4.20.0040.0088.01
4.4.10.0040.0118.01
4.4.00.0050.0147.96
4.3.110.0010.0127.92
4.3.100.0040.0077.92
4.3.90.0020.0117.90
4.3.80.0020.0157.88
4.3.70.0020.0107.90
4.3.60.0030.0127.90
4.3.50.0030.0107.90
4.3.40.0060.0137.85
4.3.30.0020.0107.26
4.3.20.0020.0107.25
4.3.10.0040.0097.22
4.3.00.0080.00913.84

preferences:
42.01 ms | 401 KiB | 5 Q