3v4l.org

run code in 300+ PHP versions simultaneously
<?php function dbg_bt($level = 0) { $currentLevel = 0; $level = (int)$level; $trace = debug_backtrace(); echo "\nBACKTRACE\n=========\n"; foreach ($trace as $data ) { $parsed = parse_dbg($data); echo sprintf("%03d %s\n", $currentLevel, $parsed); $currentLevel++; if ( 0 !== $level && $currentLevel >= $level) { break; } } echo "=========\n\n"; } function parse_dbg ($data) { if (!is_array($data)) { return ""; } if (!empty($data['type'])) { return sprintf( "[%s:%d] %s%s%s(%s)", $data['file'], $data['line'], $data['class'], $data['type'], $data['function'], get_args($data['args']) ); } else { return sprintf( "[%s:%d] %s(%s)", $data['file'], $data['line'], $data['function'], get_args($data['args']) ); } } function get_args(array $params) { $result = array(); foreach ($params as $val) { if('object' == gettype($val)) { $result[] = get_class($val); } else { $result[] = gettype($val); } } return implode(", ", $result); } class lol { static public function rofl($args = null) { ob_start(); dbg_bt(); $x = ob_get_contents(); ob_end_clean(); echo $x; // replace with trigger error } } echo "<pre>"; lol::rofl(new StdClass()); echo "Website content<br />".__FILE__."<br /><br /><br />";

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)
8.3.60.0140.00018.18
8.3.50.0090.00721.93
8.3.40.0150.00018.61
8.3.30.0120.00319.09
8.3.20.0080.00020.38
8.3.10.0030.00522.05
8.3.00.0030.00622.38
8.2.180.0130.00616.63
8.2.170.0120.00322.96
8.2.160.0070.00720.52
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0110.00026.16
8.2.120.0000.00919.48
8.2.110.0000.01022.25
8.2.100.0070.00719.51
8.2.90.0000.00819.35
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0040.00418.16
8.2.50.0040.00418.07
8.2.40.0040.00418.34
8.2.30.0040.00418.19
8.2.20.0000.00717.63
8.2.10.0040.00417.72
8.2.00.0000.00717.80
8.1.280.0070.01125.92
8.1.270.0000.00722.14
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00323.84
8.1.230.0030.00719.21
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0000.00917.23
8.1.190.0040.00417.39
8.1.180.0030.00618.10
8.1.170.0000.00818.48
8.1.160.0000.00721.96
8.1.150.0040.00418.55
8.1.140.0030.00617.39
8.1.130.0040.00417.85
8.1.120.0080.00017.47
8.1.110.0040.00417.47
8.1.100.0070.00017.38
8.1.90.0030.00317.38
8.1.80.0000.00817.51
8.1.70.0070.00017.40
8.1.60.0030.00617.51
8.1.50.0000.00717.52
8.1.40.0030.00617.44
8.1.30.0080.00017.66
8.1.20.0030.00617.71
8.1.10.0070.00017.55
8.1.00.0040.00417.41
8.0.300.0000.00718.77
8.0.290.0060.00317.18
8.0.280.0030.00318.53
8.0.270.0000.00717.23
8.0.260.0070.00016.86
8.0.250.0000.00817.01
8.0.240.0080.00416.91
8.0.230.0030.00316.88
8.0.220.0050.00316.94
8.0.210.0000.00816.84
8.0.200.0050.00316.99
8.0.190.0040.00416.95
8.0.180.0040.00416.94
8.0.170.0000.00716.79
8.0.160.0040.00416.96
8.0.150.0000.00716.77
8.0.140.0040.00316.87
8.0.130.0040.00413.38
8.0.120.0070.00016.86
8.0.110.0030.00516.86
8.0.100.0000.00816.98
8.0.90.0000.00716.74
8.0.80.0120.00616.91
8.0.70.0040.00416.75
8.0.60.0070.00016.97
8.0.50.0040.00416.79
8.0.30.0080.01116.89
8.0.20.0080.01017.40
8.0.10.0040.00417.04
8.0.00.0120.00716.70
7.4.330.0000.00515.02
7.4.320.0000.00616.46
7.4.300.0000.00616.55
7.4.290.0050.00316.63
7.4.280.0030.00316.66
7.4.270.0030.00316.54
7.4.260.0030.00616.60
7.4.250.0040.00416.61
7.4.240.0040.00416.61
7.4.230.0070.00016.73
7.4.220.0140.00716.60
7.4.210.0060.00916.56
7.4.200.0070.00016.66
7.4.190.0030.00416.70
7.4.160.0060.01216.64
7.4.150.0100.00717.40
7.4.140.0110.00617.86
7.4.130.0100.00916.47
7.4.120.0100.00816.48
7.4.110.0070.01016.34
7.4.100.0030.01416.48
7.4.90.0110.00716.62
7.4.80.0090.00919.39
7.4.70.0140.00716.51
7.4.60.0100.00716.37
7.4.50.0030.00616.65
7.4.40.0060.00622.77
7.4.30.0110.00416.45
7.4.00.0000.01515.21
7.3.330.0030.00313.23
7.3.320.0000.00513.37
7.3.310.0000.00816.35
7.3.300.0070.00016.42
7.3.290.0100.01016.44
7.3.280.0090.01116.40
7.3.270.0080.00817.40
7.3.260.0150.00316.48
7.3.250.0110.00816.56
7.3.240.0100.00716.50
7.3.230.0100.00616.39
7.3.210.0190.01016.33
7.3.200.0030.02019.39
7.3.190.0110.01216.66
7.3.180.0130.00316.56
7.3.170.0120.00416.36
7.3.160.0130.01016.55
7.3.120.0040.01214.67
7.2.330.0100.01016.75
7.2.320.0140.00816.56
7.2.310.0100.00716.59
7.2.300.0070.01016.85
7.2.290.0130.01016.48
7.2.60.0060.00316.68
7.2.00.0060.01019.46
7.1.200.0030.00715.84
7.1.100.0040.01118.16
7.1.70.0040.00417.04
7.1.60.0000.02519.82
7.1.50.0030.01716.84
7.1.00.0030.09022.48
7.0.200.0030.00616.48
7.0.140.0000.07722.09
7.0.60.0030.06019.85
7.0.50.0030.04317.95
7.0.40.0100.08320.14
7.0.30.0300.03720.18
7.0.20.0430.06320.21
7.0.10.0330.07020.06
7.0.00.0030.04320.16
5.6.280.0030.07020.95
5.6.210.0130.06720.77
5.6.200.0100.08318.34
5.6.190.0100.08320.50
5.6.180.0230.05320.65
5.6.170.0270.08020.54
5.6.160.0130.07720.71
5.6.150.0070.08018.14
5.6.140.0230.03318.18
5.6.130.0130.06718.28
5.6.120.0070.06321.02
5.6.110.0070.08321.13
5.6.100.0100.08021.10
5.6.90.0070.07321.14
5.6.80.0330.06320.42
5.6.70.0300.07720.41
5.5.350.0330.07020.34
5.5.340.0070.03717.95
5.5.330.0130.04020.47
5.5.320.0330.03720.57
5.5.310.0200.08720.35
5.5.300.0100.08017.93
5.5.290.0100.05317.95
5.5.280.0100.08020.89
5.5.270.0000.05020.81
5.5.260.0030.08720.98
5.5.250.0030.08320.50
5.5.240.0030.03720.28
5.4.450.0200.06019.62
5.4.440.0200.05319.34
5.4.430.0770.05319.61
5.4.420.0630.05319.38
5.4.410.0200.06718.93
5.4.400.1030.00018.87
5.4.390.0930.00018.81
5.4.380.0270.05018.83
5.4.370.0100.06718.73
5.4.360.0170.05318.79
5.4.350.0230.05318.75
5.4.340.0370.05018.57
5.4.320.0070.03612.52
5.4.310.0030.04312.51
5.4.300.0050.04712.52
5.4.290.0060.03812.52
5.4.280.0050.04012.41
5.4.270.0070.06718.96
5.4.260.0130.05018.80
5.4.250.0130.07018.84
5.4.240.0130.06718.99
5.4.230.0100.06318.95
5.4.220.0000.06318.80
5.4.210.0070.08318.98
5.4.200.0130.07318.81
5.4.190.0230.06319.00
5.4.180.0100.05018.75
5.4.170.0130.05018.94
5.4.160.0130.04718.99
5.4.150.0100.06319.09
5.4.140.0130.07016.44
5.4.130.0100.04716.36
5.4.120.0070.05716.62
5.4.110.0070.05316.62
5.4.100.0000.07016.42
5.4.90.0130.06716.52
5.4.80.0100.04716.56
5.4.70.0070.05016.45
5.4.60.0130.06716.48
5.4.50.0100.06016.61
5.4.40.0100.04716.45
5.4.30.0230.05016.39
5.4.20.0100.07016.59
5.4.10.0230.06316.35
5.4.00.0170.05015.86
5.3.290.0070.03812.80
5.3.280.0070.06714.80
5.3.270.0070.07314.53
5.3.260.0100.05314.46
5.3.250.0170.04314.59
5.3.240.0100.06014.46
5.3.230.0100.07014.71
5.3.220.0070.06014.57
5.3.210.0000.06014.68
5.3.200.0170.06314.69
5.3.190.0170.06014.73
5.3.180.0100.07014.66
5.3.170.0070.07314.55
5.3.160.0200.06014.57
5.3.150.0030.07714.57
5.3.140.0130.06314.58
5.3.130.0100.07314.73
5.3.120.0130.04714.74
5.3.110.0030.08714.63
5.3.100.0170.04314.03
5.3.90.0100.04714.04
5.3.80.0130.05013.94
5.3.70.0100.05714.02
5.3.60.0130.04714.08
5.3.50.0070.06314.20
5.3.40.0130.06014.14
5.3.30.0070.04713.92
5.3.20.0100.05313.68
5.3.10.0100.05313.83
5.3.00.0130.06713.75
5.2.170.0100.03711.35
5.2.160.0070.05011.13
5.2.150.0100.05311.15
5.2.140.0030.05011.23
5.2.130.0130.05011.11
5.2.120.0100.04011.08
5.2.110.0100.03711.11
5.2.100.0130.04311.19
5.2.90.0070.05710.95
5.2.80.0070.04311.11
5.2.70.0070.04311.11
5.2.60.0000.05711.03
5.2.50.0130.03011.13
5.2.40.0100.03710.99
5.2.30.0030.06010.96
5.2.20.0130.03311.04
5.2.10.0100.05010.84
5.2.00.0100.04710.58
5.1.60.0100.03310.26
5.1.50.0000.04010.22
5.1.40.0130.04010.24
5.1.30.0070.03710.42
5.1.20.0030.05010.33
5.1.10.0100.03310.16
5.1.00.0030.03710.33
5.0.50.0000.0378.53
5.0.40.0100.0308.39
5.0.30.0030.0578.30
5.0.20.0030.0278.29
5.0.10.0030.0278.27
5.0.00.0100.0338.09
4.4.90.0070.0175.87
4.4.80.0000.0235.98
4.4.70.0100.0205.86
4.4.60.0070.0175.85
4.4.50.0000.0275.88
4.4.40.0000.0375.84
4.4.30.0100.0175.88
4.4.20.0030.0205.89
4.4.10.0000.0305.93
4.4.00.0030.0435.95
4.3.110.0030.0205.85
4.3.100.0070.0205.79
4.3.90.0030.0205.76
4.3.80.0000.0476.01
4.3.70.0070.0136.01
4.3.60.0000.0306.01
4.3.50.0100.0236.01
4.3.40.0030.0436.01
4.3.30.0000.0276.01
4.3.20.0000.0236.01
4.3.10.0030.0236.01
4.3.00.0000.0277.33

preferences:
46.48 ms | 401 KiB | 5 Q