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) || $var) { //echo "set default"; } else { //echo "not default"; } }; $s1 = microtime(1); for ($i = 0; $i < 10000; $i++) { $f2($var); } echo microtime(1) - $s1; echo "\n"; $s = microtime(1); for ($i = 0; $i < 10000; $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)
7.3.10.0050.00916.56
7.3.00.0120.00516.59
7.2.130.0070.00916.99
7.2.120.0050.00616.80
7.2.110.0040.01116.99
7.2.100.0080.00816.99
7.2.90.0030.01116.75
7.2.80.0040.01016.89
7.2.70.0060.00816.81
7.2.60.0080.00816.86
7.2.50.0060.01116.83
7.2.40.0050.01016.85
7.2.30.0040.01116.97
7.2.20.0020.01416.82
7.2.10.0100.00616.85
7.2.00.0020.01217.79
7.1.250.0020.01615.75
7.1.240.0110.00715.64
7.1.230.0000.02015.76
7.1.220.0100.01015.52
7.1.210.0040.01415.53
7.1.200.0000.01115.69
7.1.190.0030.01415.89
7.1.180.0090.00915.47
7.1.170.0040.01116.00
7.1.160.0030.01315.68
7.1.150.0030.01615.66
7.1.140.0070.00715.61
7.1.130.0100.00715.82
7.1.120.0030.00915.73
7.1.110.0070.01015.60
7.1.100.0070.01115.52
7.1.90.0030.01315.75
7.1.80.0070.01015.93
7.1.70.0080.01116.44
7.1.60.0120.01117.52
7.1.50.0110.01116.23
7.1.40.0000.01416.01
7.1.30.0000.01615.68
7.1.20.0050.00815.86
7.1.10.0040.01415.93
7.1.00.0040.03918.98
7.0.330.0070.01115.53
7.0.320.0070.01315.14
7.0.310.0040.00815.46
7.0.300.0000.01115.11
7.0.290.0030.01315.28
7.0.280.0090.00615.39
7.0.270.0030.01015.41
7.0.260.0090.01215.18
7.0.250.0070.01015.59
7.0.240.0030.01015.22
7.0.230.0000.01615.47
7.0.220.0090.00615.30
7.0.210.0030.01015.28
7.0.200.0090.00615.97
7.0.190.0070.01015.54
7.0.180.0070.01315.25
7.0.170.0060.00615.33
7.0.160.0030.01715.20
7.0.150.0090.00915.14
7.0.140.0030.04118.68
7.0.130.0070.01315.54
7.0.120.0060.03318.57
7.0.110.0060.01015.39
7.0.100.0100.01015.41
7.0.90.0000.01815.22
7.0.80.0000.01715.25
7.0.70.0030.01015.08
7.0.60.0080.04717.51
7.0.50.0080.04516.60
7.0.40.0230.04216.57
7.0.30.0160.03816.78
7.0.20.0150.03316.53
7.0.10.0220.04516.85
7.0.00.0250.04216.85
5.6.380.0160.00313.96
5.6.370.0060.01913.90
5.6.360.0100.01614.43
5.6.350.0000.02414.20
5.6.340.0030.01614.10
5.6.330.0040.01814.14
5.6.320.0070.01414.00
5.6.310.0120.00914.39
5.6.300.0190.01614.24
5.6.290.0170.01914.61
5.6.280.0160.03917.84
5.6.270.0180.01814.61
5.6.260.0130.02014.25
5.6.250.0120.01914.25
5.6.240.0150.01814.31
5.6.230.0100.01714.20
5.6.220.0080.02714.24
5.6.210.0090.05017.54
5.6.200.0080.04816.19
5.6.190.0200.04717.36
5.6.180.0130.03017.62
5.6.170.0200.03317.41
5.6.160.0220.05017.46
5.6.150.0170.05217.36
5.6.140.0210.02617.23
5.6.130.0170.04917.22
5.6.120.0170.04817.19
5.6.110.0200.04017.24
5.6.100.0260.04217.13
5.6.90.0200.04017.32
5.6.80.0200.04317.06
5.6.70.0220.04716.96
5.6.60.0170.05116.96
5.6.50.0220.04716.94
5.6.40.0180.02516.81
5.6.30.0130.05017.00
5.6.20.0170.04716.83
5.6.10.0220.04416.84
5.6.00.0180.04716.84
5.5.380.0070.01410.90
5.5.370.0040.01811.05
5.5.360.0060.01611.30
5.5.350.0030.04615.78
5.5.340.0050.02814.61
5.5.330.0230.04115.77
5.5.320.0250.04215.68
5.5.310.0200.04715.80
5.5.300.0170.03815.70
5.5.290.0130.04215.70
5.5.280.0120.04015.76
5.5.270.0130.02815.50
5.5.260.0200.04115.60
5.5.250.0240.03615.57
5.5.240.0200.03315.42
5.5.230.0210.04315.16
5.5.220.0190.03815.16
5.5.210.0170.04715.19
5.5.200.0180.02515.10
5.5.190.0120.04215.06
5.5.180.0200.04715.24
5.5.170.0060.01210.74
5.5.160.0180.03715.22
5.5.150.0150.04215.03
5.5.140.0180.04715.23
5.5.130.0200.04315.42
5.5.120.0130.04715.16
5.5.110.0210.03815.17
5.5.100.0150.03415.04
5.5.90.0220.04615.04
5.5.80.0170.03515.21
5.5.70.0150.03715.09
5.5.60.0150.02615.09
5.5.50.0230.04115.19
5.5.40.0260.03815.05
5.5.30.0220.04515.18
5.5.20.0190.04415.31
5.5.10.0230.04215.32
5.5.00.0150.03015.10
5.4.450.0170.03915.15
5.4.440.0170.04715.10
5.4.430.0180.04015.27
5.4.420.0270.03315.19
5.4.410.0300.03315.20
5.4.400.0220.03614.95
5.4.390.0170.04314.94
5.4.380.0150.03614.79
5.4.370.0120.03214.99
5.4.360.0160.02914.97
5.4.350.0200.03314.88
5.4.340.0150.03114.99
5.4.330.0060.01211.15
5.4.320.0170.03714.74
5.4.310.0120.03414.95
5.4.300.0120.03715.10
5.4.290.0150.03615.10
5.4.280.0220.02914.88
5.4.270.0180.04514.90
5.4.260.0170.04514.91
5.4.250.0160.04814.85
5.4.240.0140.02614.74
5.4.230.0170.02215.06
5.4.220.0210.03114.97
5.4.210.0200.04014.79
5.4.200.0210.04314.85
5.4.190.0130.03315.00
5.4.180.0230.03914.83
5.4.170.0230.03914.88
5.4.160.0250.03814.92
5.4.150.0170.04614.95
5.4.140.0190.04413.57
5.4.130.0120.02913.51
5.4.120.0220.03813.47
5.4.110.0130.02813.74
5.4.100.0130.02613.63
5.4.90.0150.02513.66
5.4.80.0170.02213.57
5.4.70.0130.02213.55
5.4.60.0150.02713.67
5.4.50.0130.04413.62
5.4.40.0180.02113.71
5.4.30.0150.04313.62
5.4.20.0080.02713.61
5.4.10.0180.02513.44
5.4.00.0100.02713.37
5.3.290.0170.04212.77
5.3.280.0180.02612.64
5.3.270.0150.04912.68
5.3.260.0250.03412.61
5.3.250.0150.04612.67
5.3.240.0130.04112.55
5.3.230.0150.02612.71
5.3.220.0180.04612.50
5.3.210.0230.04112.34
5.3.200.0150.02812.42
5.3.190.0080.03612.57
5.3.180.0150.02412.57
5.3.170.0150.03012.50
5.3.160.0210.02212.69
5.3.150.0240.02412.51
5.3.140.0080.03512.52
5.3.130.0120.03112.51
5.3.120.0170.03012.56
5.3.110.0130.02712.62
5.3.100.0120.02512.27
5.3.90.0170.02412.39
5.3.80.0200.02212.24
5.3.70.0120.04612.27
5.3.60.0130.02512.22
5.3.50.0140.04412.22
5.3.40.0150.02212.25
5.3.30.0130.02312.32
5.3.20.0130.02312.16
5.3.10.0180.02511.97
5.3.00.0130.02812.07
5.2.170.0080.02010.97
5.2.160.0120.01610.83
5.2.150.0120.01311.00
5.2.140.0120.01710.79
5.2.130.0130.02010.96
5.2.120.0170.01510.93
5.2.110.0120.01610.94
5.2.100.0120.01510.95
5.2.90.0130.01810.94
5.2.80.0160.01710.91
5.2.70.0140.01610.88
5.2.60.0160.01410.73
5.2.50.0060.02010.76
5.2.40.0120.01710.94
5.2.30.0130.01310.85
5.2.20.0130.01510.83
5.2.10.0190.01310.79
5.2.00.0100.01510.78
5.1.60.0100.01810.35
5.1.50.0100.01510.48
5.1.40.0120.01510.50
5.1.30.0140.01510.61
5.1.20.0180.01310.53
5.1.10.0140.01610.55
5.1.00.0130.02010.40
5.0.50.0120.01210.17
5.0.40.0140.01810.17
5.0.30.0060.02310.17
5.0.20.0100.02010.17
5.0.10.0160.01310.17
5.0.00.0100.02210.17
4.4.90.0060.01010.17
4.4.80.0040.01010.17
4.4.70.0050.01010.17
4.4.60.0060.00810.17
4.4.50.0080.00810.17
4.4.40.0030.01610.17
4.4.30.0040.01010.17
4.4.20.0040.01010.17
4.4.10.0070.01010.17
4.4.00.0090.02810.17
4.3.110.0110.01310.17
4.3.100.0080.02010.17
4.3.90.0110.00910.17
4.3.80.0090.02710.17
4.3.70.0080.01810.17
4.3.60.0120.01010.17
4.3.50.0110.01510.17
4.3.40.0090.02310.17
4.3.30.0020.01910.17
4.3.20.0100.01310.17
4.3.10.0050.01210.17
4.3.00.0050.01810.17

preferences:
37.26 ms | 400 KiB | 5 Q