3v4l.org

run code in 300+ PHP versions simultaneously
<?php //$var = 'A'; //$var = ''; //$var = null; $var = 0; $f1 = function($var) { if (! isset($var) || $var) { //echo "set default"; //"not empty or not defiend or a null value"; } else { //echo "not default"; //"empty"; } }; $f2 = function($var) { if (! isset($var) || ! empty($var)) { //echo "set default"; } else { //echo "not default"; } }; $s = microtime(1); for ($i = 0; $i < 100; $i++) { $f1($var); } echo microtime(1) - $s;

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)
7.2.00.0000.01319.53
7.1.70.0030.00517.22
7.1.60.0090.00919.30
7.1.50.0060.01616.94
7.1.00.0000.05322.48
7.0.200.0060.00916.77
7.0.140.0070.07022.09
7.0.120.0000.07322.13
7.0.60.0200.08721.79
7.0.50.0030.05717.98
7.0.40.0230.07020.40
7.0.30.0100.07720.11
7.0.20.0130.07720.15
7.0.10.0070.08020.09
7.0.00.0100.07020.19
5.6.280.0100.06721.10
5.6.210.0100.07720.51
5.6.200.0070.06718.18
5.6.190.0100.08720.77
5.6.180.0100.07720.63
5.6.170.0170.07320.67
5.6.160.0170.07320.32
5.6.150.0070.04020.44
5.6.140.0070.04320.19
5.6.130.0100.03720.18
5.6.120.0030.07720.52
5.6.110.0030.05320.39
5.6.100.0100.06320.42
5.6.90.0070.09020.17
5.6.80.0100.07019.62
5.6.70.0170.07019.71
5.6.60.0170.07019.87
5.6.50.0000.05319.82
5.6.40.0130.07319.88
5.6.30.0030.05019.79
5.6.20.0000.05719.73
5.6.10.0130.06019.88
5.6.00.0070.05319.78
5.5.350.0070.08320.32
5.5.340.0070.05018.09
5.5.330.0130.07720.12
5.5.320.0070.06720.43
5.5.310.0070.08320.37
5.5.300.0070.04020.03
5.5.290.0000.04720.13
5.5.280.0130.06320.21
5.5.270.0130.05720.11
5.5.260.0070.09720.11
5.5.250.0070.08319.79
5.5.240.0100.07719.50
5.5.230.0070.08319.70
5.5.220.0130.05319.58
5.5.210.0030.04319.67
5.5.200.0000.04719.34
5.5.190.0070.04719.64
5.5.180.0100.07719.52
5.5.160.0070.08019.64
5.5.150.0030.09019.57
5.5.140.0100.06019.32
5.5.130.0130.07319.53
5.5.120.0030.08319.48
5.5.110.0100.08019.54
5.5.100.0070.08019.42
5.5.90.0030.04719.24
5.5.80.0070.08319.33
5.5.70.0100.07019.23
5.5.60.0130.06019.58
5.5.50.0130.07319.53
5.5.40.0100.04319.32
5.5.30.0130.07719.38
5.5.20.0030.08719.52
5.5.10.0070.06319.21
5.5.00.0070.07319.59
5.4.450.0000.04719.30
5.4.440.0100.03319.40
5.4.430.0070.07319.56
5.4.420.0130.07019.42
5.4.410.0070.07019.44
5.4.400.0100.03718.88
5.4.390.0070.03718.87
5.4.380.0030.08019.00
5.4.370.0100.04719.24
5.4.360.0070.04018.85
5.4.350.0070.08019.08
5.4.340.0070.08319.08
5.4.320.0100.07719.24
5.4.310.0130.04318.85
5.4.300.0170.06719.23
5.4.290.0000.08318.85
5.4.280.0100.07318.87
5.4.270.0100.06318.95
5.4.260.0030.08019.15
5.4.250.0100.07719.15
5.4.240.0070.07319.14
5.4.230.0130.05718.84
5.4.220.0030.05019.24
5.4.210.0070.03719.11
5.4.200.0030.06019.19
5.4.190.0170.05319.19
5.4.180.0130.05719.14
5.4.170.0070.05319.13
5.4.160.0070.06718.96
5.4.150.0070.03719.14
5.4.140.0100.05016.31
5.4.130.0100.06716.29
5.4.120.0200.06016.50
5.4.110.0170.06016.52
5.4.100.0070.06316.41
5.4.90.0100.04716.31
5.4.80.0030.05016.29
5.4.70.0130.06716.30
5.4.60.0070.05316.41
5.4.50.0100.05716.38
5.4.40.0030.07016.32
5.4.30.0070.05316.40
5.4.20.0070.05016.38
5.4.10.0070.07316.39
5.4.00.0030.07715.74
5.3.290.0230.05014.55
5.3.280.0070.07714.59
5.3.270.0030.07714.62
5.3.260.0070.08014.61
5.3.250.0070.04314.49
5.3.240.0130.07314.63
5.3.230.0070.05314.74
5.3.220.0000.08014.49
5.3.210.0100.06714.62
5.3.200.0100.07014.48
5.3.190.0030.08014.62
5.3.180.0030.07014.45
5.3.170.0030.06314.61
5.3.160.0070.07314.57
5.3.150.0170.07314.72
5.3.140.0070.07714.48
5.3.130.0070.04714.55
5.3.120.0070.08014.60
5.3.110.0100.03714.56
5.3.100.0100.07314.20
5.3.90.0070.07314.18
5.3.80.0100.07314.02
5.3.70.0070.04014.07
5.3.60.0030.04714.08
5.3.50.0170.05713.84
5.3.40.0070.04313.97
5.3.30.0100.05013.91
5.3.20.0070.07013.70
5.3.10.0070.06313.58
5.3.00.0070.03713.56
5.2.170.0070.06311.00
5.2.160.0030.05011.22
5.2.150.0070.07311.11
5.2.140.0030.03311.29
5.2.130.0030.06011.04
5.2.120.0030.03711.04
5.2.110.0030.06010.95
5.2.100.0100.05010.98
5.2.90.0000.03711.00
5.2.80.0070.06011.25
5.2.70.0030.04711.04
5.2.60.0030.06311.01
5.2.50.0030.06011.00
5.2.40.0100.04010.98
5.2.30.0000.04710.82
5.2.20.0070.05010.86
5.2.10.0030.06011.01
5.2.00.0070.05710.60
5.1.60.0070.0539.96
5.1.50.0030.0339.99
5.1.40.0000.0339.88
5.1.30.0070.06310.22
5.1.20.0030.05310.38
5.1.10.0070.0479.91
5.1.00.0000.04010.13
5.0.50.0130.0378.51
5.0.40.0000.0478.40
5.0.30.0070.0638.13
5.0.20.0030.0378.17
5.0.10.0030.0208.07
5.0.00.0030.0638.11
4.4.90.0070.0336.93
4.4.80.0030.0376.93
4.4.70.0030.0306.93
4.4.60.0000.0276.93
4.4.50.0000.0336.93
4.4.40.0000.0406.93
4.4.30.0030.0376.93
4.4.20.0000.0376.93
4.4.10.0030.0276.93
4.4.00.0030.0576.93
4.3.110.0070.0306.93
4.3.100.0070.0176.93
4.3.90.0030.0176.93
4.3.80.0000.0576.93
4.3.70.0100.0176.93
4.3.60.0030.0206.93
4.3.50.0000.0236.93
4.3.40.0000.0276.93
4.3.30.0030.0336.93
4.3.20.0000.0276.93
4.3.10.0030.0376.93
4.3.00.0000.0236.93

preferences:
36.1 ms | 401 KiB | 5 Q