3v4l.org

run code in 200+ 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); ?>
based on fZij6

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)
7.4.00.0080.00515.20
7.3.120.0030.01014.92
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