3v4l.org

run code in 300+ PHP versions simultaneously
<?php set_error_handler( function($error_num, $message, $file_name, $line_num) { $trace = debug_backtrace(); foreach($trace as $trace_row){ array_walk_recursive($trace, function(&$val, $index){ $max_length = 100; //The strlen(...) function has to be passed a string value, so convert objects to their respective class names - otherwise an error will be thrown if ( is_object($val) ) { $val = get_class($val); } $length = strlen($val); if( $length > $max_length ){ $val = substr($val, 0, $max_length) . "...(original length $length)"; } }); } return true; } ); class A{ function do_stuff(&$b) { var_dump('Before in function:', $b); $defined = 0; #trigger_error("If I fixed the undefined variable but enabled this line instead, it will also turn b from an object into a string! So user-triggered notices bork it as well."); $x = $undefined || $defined ? 14 : 0; var_dump('After in function:', $b); } } class B{} $a = new A(); $b = new B(); $a->do_stuff($b); var_dump('After function:', $b); ?>

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)
8.3.60.0170.00318.27
8.3.50.0090.00722.80
8.3.40.0150.00618.79
8.3.30.0120.00618.89
8.3.20.0040.00420.33
8.3.10.0040.00421.86
8.3.00.0040.00417.91
8.2.180.0090.00917.00
8.2.170.0110.00418.91
8.2.160.0120.00922.96
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0090.00626.16
8.2.120.0040.00421.09
8.2.110.0100.00022.26
8.2.100.0050.00518.09
8.2.90.0000.00819.89
8.2.80.0000.00818.05
8.2.70.0000.00817.80
8.2.60.0000.00917.93
8.2.50.0080.00018.07
8.2.40.0080.00018.09
8.2.30.0030.00618.14
8.2.20.0000.00717.80
8.2.10.0040.00418.11
8.2.00.0000.00817.82
8.1.280.0090.00625.92
8.1.270.0030.00623.97
8.1.260.0140.00326.35
8.1.250.0050.00228.09
8.1.240.0080.00022.14
8.1.230.0060.00919.11
8.1.220.0000.00817.74
8.1.210.0090.00018.77
8.1.200.0000.01117.35
8.1.190.0000.00817.36
8.1.180.0090.00018.10
8.1.170.0040.00418.71
8.1.160.0000.00721.99
8.1.150.0040.00418.93
8.1.140.0040.00417.47
8.1.130.0000.00717.88
8.1.120.0000.00717.52
8.1.110.0080.00017.47
8.1.100.0030.00317.38
8.1.90.0070.00017.36
8.1.80.0040.00417.51
8.1.70.0070.00017.38
8.1.60.0000.00917.50
8.1.50.0040.00417.42
8.1.40.0050.00317.43
8.1.30.0000.00817.61
8.1.20.0050.00217.50
8.1.10.0040.00417.63
8.1.00.0040.00417.54
8.0.300.0000.00819.61
8.0.290.0040.00416.75
8.0.280.0040.00418.45
8.0.270.0000.00717.18
8.0.260.0000.00717.22
8.0.250.0000.00716.96
8.0.240.0060.00317.06
8.0.230.0000.00817.05
8.0.220.0000.00716.87
8.0.210.0000.00716.82
8.0.200.0030.00316.96
8.0.190.0030.00317.00
8.0.180.0000.00717.00
8.0.170.0040.00416.96
8.0.160.0040.00416.90
8.0.150.0020.00516.80
8.0.140.0070.00316.92
8.0.130.0060.00013.45
8.0.120.0060.00316.93
8.0.110.0040.00417.01
8.0.100.0040.00417.00
8.0.90.0000.00716.84
8.0.80.0140.00716.97
8.0.70.0080.00016.76
8.0.60.0030.00517.01
8.0.50.0000.00716.99
8.0.30.0100.00917.11
8.0.20.0100.01617.40
8.0.10.0000.00716.89
8.0.00.0090.00816.73
7.4.330.0030.00315.14
7.4.320.0000.00616.62
7.4.300.0000.00716.56
7.4.290.0070.00416.64
7.4.280.0070.00016.57
7.4.270.0000.00816.42
7.4.260.0030.00316.51
7.4.250.0000.00816.55
7.4.240.0030.00416.46
7.4.230.0000.00716.52
7.4.220.0170.00916.59
7.4.210.0040.01116.55
7.4.200.0000.00716.51
7.4.160.0090.00916.56
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0090.00916.57
7.4.120.0080.01316.56
7.4.110.0070.01416.34
7.4.100.0130.01316.48
7.4.90.0200.00316.44
7.4.80.0120.00619.39
7.4.70.0120.00616.42
7.4.60.0090.00916.49
7.4.50.0060.00316.64
7.4.40.0070.01016.68
7.4.30.0110.00616.55
7.4.00.0080.00515.20
7.3.330.0030.00313.44
7.3.320.0030.00313.37
7.3.310.0070.00016.21
7.3.300.0000.00716.46
7.3.290.0000.01416.42
7.3.280.0090.00716.46
7.3.270.0040.01317.40
7.3.260.0090.01516.43
7.3.250.0090.01016.58
7.3.240.0150.00616.66
7.3.230.0080.00816.53
7.3.210.0140.00316.58
7.3.200.0090.01319.39
7.3.190.0160.00016.44
7.3.180.0000.01716.30
7.3.170.0100.00616.51
7.3.160.0000.01716.59
7.3.120.0030.01014.92
7.2.330.0100.01316.61
7.2.320.0100.00616.61
7.2.310.0130.01016.81
7.2.300.0110.00516.82
7.2.290.0150.00916.87
7.2.60.0000.01416.90
7.2.00.0200.00319.60
7.1.200.0040.00715.82
7.1.100.0030.01018.30
7.1.70.0360.00617.12
7.1.60.0060.01919.40
7.1.50.0130.00016.84
7.1.00.0030.08022.34
7.0.200.0090.00016.88
7.0.140.0030.07322.00
7.0.110.0170.07320.08
7.0.100.0030.08720.03
7.0.90.0130.07719.94
7.0.80.0070.06719.88
7.0.70.0070.06719.88
7.0.60.0070.06719.62
7.0.50.0070.08320.45
7.0.40.0100.07720.14
7.0.30.0130.07720.11
7.0.20.0170.07320.20
7.0.10.0070.08020.18
7.0.00.0030.07720.07
5.6.280.0100.06721.05
5.6.250.0070.08320.64
5.6.240.0030.08020.67
5.6.230.0070.07720.64
5.6.220.0170.07320.64
5.6.210.0070.07320.52
5.6.200.0100.08320.92
5.6.190.0170.07021.10
5.6.180.0130.08020.90
5.6.170.0100.08021.22
5.6.160.0070.07320.91
5.6.150.0130.08020.98
5.6.140.0100.07721.19
5.6.130.0100.08321.08
5.6.120.0100.07721.09
5.6.110.0170.06020.83
5.6.100.0030.07020.98
5.6.90.0070.08021.03
5.6.80.0070.04720.47
5.6.70.0070.08320.46
5.6.60.0130.07320.26
5.6.50.0100.06320.30
5.6.40.0070.08020.30
5.6.30.0070.08320.47
5.6.20.0100.07320.46
5.6.10.0070.08020.40
5.6.00.0100.07320.59
5.5.380.0100.04320.21
5.5.370.0100.07720.48
5.5.360.0030.08320.52
5.5.350.0070.06720.43
5.5.340.0070.06720.78
5.5.330.0100.07020.66
5.5.320.0070.04320.77
5.5.310.0070.06720.77
5.5.300.0170.08020.97
5.5.290.0230.03720.80
5.5.280.0030.08720.70
5.5.270.0070.05020.76
5.5.260.0170.04320.76
5.5.250.0100.05720.66
5.5.240.0030.07320.16
5.5.230.0130.07320.33
5.5.220.0130.06720.20
5.5.210.0200.06320.15
5.5.200.0100.08020.13
5.5.190.0070.06320.21
5.5.180.0200.06720.33
5.5.160.0200.06020.35
5.5.150.0030.07320.18
5.5.140.0170.06320.07
5.5.130.0070.07320.15
5.5.120.0030.04320.09
5.5.110.0070.04020.32
5.5.100.0030.05020.11
5.5.90.0070.08019.96
5.5.80.0100.06020.06
5.5.70.0130.07020.05
5.5.60.0030.08019.93
5.5.50.0070.07720.07
5.5.40.0070.07319.97
5.5.30.0070.07020.10
5.5.20.0100.06720.16
5.5.10.0130.07019.92
5.5.00.0100.07720.00
5.4.450.0170.07019.32
5.4.440.0070.08019.31
5.4.430.0130.05019.34
5.4.420.0030.08719.34
5.4.410.0030.04319.14
5.4.400.0070.07719.34
5.4.390.0100.07319.01
5.4.380.0070.07319.25
5.4.370.0130.07019.16
5.4.360.0030.08319.14
5.4.350.0100.04719.23
5.4.340.0100.07719.00
5.4.320.0100.03319.00
5.4.310.0070.07019.04
5.4.300.0130.06319.14
5.4.290.0030.08018.99
5.4.280.0200.06019.14
5.4.270.0030.08019.02
5.4.260.0030.03719.16
5.4.250.0070.05319.01
5.4.240.0130.07019.00
5.4.230.0100.07718.98
5.4.220.0070.04718.94
5.4.210.0070.06319.03
5.4.200.0030.08019.20
5.4.190.0170.06719.16
5.4.180.0000.08319.34
5.4.170.0170.06719.08
5.4.160.0000.08719.16
5.4.150.0100.07019.14
5.4.140.0100.06716.38
5.4.130.0070.07016.59
5.4.120.0070.06016.30
5.4.110.0070.07316.65
5.4.100.0030.04716.55
5.4.90.0070.07016.33
5.4.80.0000.07016.45
5.4.70.0070.07316.60
5.4.60.0070.06716.63
5.4.50.0130.06316.50
5.4.40.0070.07316.45
5.4.30.0030.07716.54
5.4.20.0030.07016.34
5.4.10.0000.05316.53
5.4.00.0000.07716.02
5.3.290.0000.07714.68
5.3.280.0000.08314.59
5.3.270.0170.06714.72
5.3.260.0070.07714.65
5.3.250.0070.07714.60
5.3.240.0070.07314.58
5.3.230.0100.07014.74
5.3.220.0070.07714.44
5.3.210.0170.03714.67
5.3.200.0070.07714.71
5.3.190.0000.08314.71
5.3.180.0070.08014.61
5.3.170.0200.06014.60
5.3.160.0130.07014.54
5.3.150.0100.06314.57
5.3.140.0000.04314.59
5.3.130.0070.06714.71
5.3.120.0100.07714.70
5.3.110.0130.06714.71
5.3.100.0030.07714.04
5.3.90.0000.08014.02
5.3.80.0070.07313.99
5.3.70.0070.07014.04
5.3.60.0070.07014.14
5.3.50.0130.06313.96
5.3.40.0100.06713.82
5.3.30.0130.07013.79
5.3.20.0030.05313.70
5.3.10.0070.04013.68
5.3.00.0070.07013.64
5.2.170.0070.05711.69
5.2.160.0130.05311.69
5.2.150.0070.06311.69
5.2.140.0030.06711.69
5.2.130.0070.05311.69
5.2.120.0030.06311.69
5.2.110.0070.03311.69
5.2.100.0070.05711.69
5.2.90.0070.06011.69
5.2.80.0070.02711.69
5.2.70.0070.06311.69
5.2.60.0100.05711.69
5.2.50.0100.04711.69
5.2.40.0030.06011.69
5.2.30.0070.06011.69
5.2.20.0070.05711.69
5.2.10.0100.05011.69
5.2.00.0000.06711.69
5.1.60.0030.03011.69
5.1.50.0000.05711.69
5.1.40.0070.05311.69
5.1.30.0000.04711.69
5.1.20.0030.05011.69
5.1.10.0070.05311.69
5.1.00.0030.05311.69
5.0.50.0100.04011.69
5.0.40.0030.04311.69
5.0.30.0070.05311.69
5.0.20.0070.04011.69
5.0.10.0000.03711.69
5.0.00.0030.06011.69
4.4.90.0130.02311.69
4.4.80.0070.03311.69
4.4.70.0000.02711.69
4.4.60.0000.03711.69
4.4.50.0000.03711.69
4.4.40.0030.03711.69
4.4.30.0030.03311.69
4.4.20.0030.01711.69
4.4.10.0000.03711.69
4.4.00.0070.04711.69
4.3.110.0000.02011.69
4.3.100.0000.03711.69
4.3.90.0030.03011.69
4.3.80.0030.05311.69
4.3.70.0070.03011.69
4.3.60.0030.03311.69
4.3.50.0030.03311.69
4.3.40.0030.04311.69
4.3.30.0000.03711.69
4.3.20.0070.02711.69
4.3.10.0000.03711.69
4.3.00.0000.03011.69

preferences:
47.69 ms | 401 KiB | 5 Q