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 < 100000; $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)
7.4.10.0100.01316.37
7.4.00.0090.01216.62
7.3.130.0030.02416.27
7.3.120.0120.01516.31
7.3.110.0100.01716.58
7.3.100.0070.02116.55
7.3.90.0070.02016.37
7.3.80.0070.01416.20
7.3.70.0030.01616.28
7.3.60.0070.01016.39
7.3.50.0100.01016.31
7.3.40.0090.00616.45
7.3.30.0040.01516.39
7.3.20.0000.01718.20
7.3.10.0070.01618.11
7.3.00.0130.01318.12
7.2.260.0140.01416.53
7.2.250.0070.02116.49
7.2.240.0060.01516.43
7.2.230.0000.02716.55
7.2.220.0060.01816.74
7.2.210.0060.01816.46
7.2.200.0030.01316.42
7.2.190.0030.01216.73
7.2.180.0070.01616.62
7.2.170.0040.01916.65
7.2.160.0120.00916.74
7.2.150.0070.01418.57
7.2.140.0040.01118.40
7.2.130.0030.02318.55
7.2.120.0080.01518.37
7.2.110.0060.02318.51
7.2.100.0040.01818.27
7.2.90.0100.00718.37
7.2.80.0040.01518.47
7.2.70.0030.01318.42
7.2.60.0060.01218.18
7.2.50.0040.01118.32
7.2.40.0040.01118.61
7.2.30.0040.01518.52
7.2.20.0120.00918.48
7.2.10.0000.01818.27
7.2.00.0070.01018.54
7.1.330.0060.02617.39
7.1.320.0030.02317.36
7.1.310.0030.02517.31
7.1.300.0000.02717.44
7.1.290.0060.02217.37
7.1.280.0000.03017.33
7.1.270.0060.02217.36
7.1.260.0060.02617.30
7.1.250.0030.02817.51
7.1.240.0040.02517.50
7.1.230.0130.02317.26
7.1.220.0090.02517.27
7.1.210.0030.02817.40
7.1.200.0130.01617.41
7.1.190.0070.02417.34
7.1.180.0070.02017.29
7.1.170.0060.02217.43
7.1.160.0070.01717.41
7.1.150.0040.02617.37
7.1.140.0030.02317.25
7.1.130.0030.01917.33
7.1.120.0080.01517.34
7.1.110.0060.01917.44
7.1.100.0070.02317.31
7.1.90.0070.02317.47
7.1.80.0000.03117.39
7.1.70.0040.01817.10
7.1.60.0150.01718.41
7.1.50.0130.01817.07
7.1.40.0130.01617.53
7.1.30.0070.02417.57
7.1.20.0070.02117.23
7.1.10.0000.02817.48
7.1.00.0030.03019.90
7.0.330.0070.02717.05
7.0.320.0030.02717.02
7.0.310.0040.02517.11
7.0.300.0040.02317.05
7.0.290.0040.02116.83
7.0.280.0030.02716.92
7.0.270.0040.01917.00
7.0.260.0060.02217.11
7.0.250.0070.02416.93
7.0.240.0030.02317.26
7.0.230.0060.01617.10
7.0.220.0040.02816.97
7.0.210.0070.02017.14
7.0.200.0020.01816.86
7.0.190.0070.02216.94
7.0.180.0030.02617.05
7.0.170.0000.02917.23
7.0.160.0000.02416.95
7.0.150.0090.01817.04
7.0.140.0050.05219.64
7.0.130.0100.01316.94
7.0.120.0000.03117.19
7.0.110.0100.01617.14
7.0.100.0110.04818.46
7.0.90.0070.05518.45
7.0.80.0100.05318.60
7.0.70.0100.05218.51
7.0.60.0080.05318.50
7.0.50.0120.04018.57
7.0.40.0070.03317.57
7.0.30.0030.03717.56
7.0.20.0080.04817.47
7.0.10.0070.03817.56
7.0.00.0050.03217.57
5.6.400.0130.03915.73
5.6.390.0110.03915.91
5.6.380.0030.04715.82
5.6.370.0000.04215.98
5.6.360.0030.04315.93
5.6.350.0000.04416.03
5.6.340.0000.04116.13
5.6.330.0030.03916.10
5.6.320.0100.03815.75
5.6.310.0070.03115.65
5.6.300.0060.03816.15
5.6.290.0030.04015.94
5.6.280.0050.06118.49
5.6.270.0000.04115.75
5.6.260.0030.04315.74
5.6.250.0030.06118.39
5.6.240.0120.06618.30
5.6.230.0050.07118.25
5.6.220.0150.05818.30
5.6.210.0100.05218.38
5.6.200.0030.06718.40
5.6.190.0050.04618.42
5.6.180.0050.04618.47
5.6.170.0120.04718.49
5.6.160.0070.04418.46
5.6.150.0020.04918.45
5.6.140.0020.05218.40
5.6.130.0050.07018.41
5.6.120.0020.04818.44
5.6.110.0030.04818.49
5.6.100.0070.06818.28
5.6.90.0020.04918.36
5.6.80.0070.04118.12
5.6.70.0070.03818.00
5.6.60.0050.04418.12
5.6.50.0080.03918.06
5.6.40.0050.04418.19
5.6.30.0020.04117.96
5.6.20.0050.04318.27
5.6.10.0020.04518.21
5.6.00.0030.04318.15
5.5.380.0030.07118.18
5.5.370.0070.06018.13
5.5.360.0150.05918.08
5.5.350.0020.07617.97
5.5.340.0050.04918.35
5.5.330.0050.04618.21
5.5.320.0080.04118.23
5.5.310.0020.04918.22
5.5.300.0070.06818.33
5.5.290.0050.07018.30
5.5.280.0030.05018.42
5.5.270.0050.04318.32
5.5.260.0080.04618.29
5.5.250.0070.03818.08
5.5.240.0070.04717.98
5.5.230.0020.04818.01
5.5.220.0030.05017.99
5.5.210.0050.04217.94
5.5.200.0070.04518.02
5.5.190.0030.05017.98
5.5.180.0050.04118.04
5.5.170.0100.03815.73
5.5.160.0100.03717.98
5.5.150.0050.03918.04
5.5.140.0070.04817.89
5.5.130.0070.06117.98
5.5.120.0030.07017.97
5.5.110.0110.06417.89
5.5.100.0050.05417.91
5.5.90.0100.05317.93
5.5.80.0070.06518.02
5.5.70.0070.05617.84
5.5.60.0070.06317.92
5.5.50.0050.06817.80
5.5.40.0100.05617.93
5.5.30.0100.05817.89
5.5.20.0070.06817.88
5.5.10.0080.05217.95
5.5.00.0060.06517.97
5.4.450.0020.04616.10
5.4.440.0020.04816.18
5.4.430.0070.04316.12
5.4.420.0030.04815.94
5.4.410.0030.04415.96
5.4.400.0020.04715.86
5.4.390.0080.04015.93
5.4.380.0030.04515.84
5.4.370.0030.04215.94
5.4.360.0050.04115.90
5.4.350.0050.04315.83
5.4.340.0030.04715.68
5.4.330.0000.04212.52
5.4.320.0050.04715.82
5.4.310.0080.03915.93
5.4.300.0030.06215.83
5.4.290.0080.06515.81
5.4.280.0080.06515.67
5.4.270.0030.06815.79
5.4.260.0050.04715.75
5.4.250.0070.06215.82
5.4.240.0070.06515.83
5.4.230.0080.06715.84
5.4.220.0070.04515.91
5.4.210.0100.06515.74
5.4.200.0050.04615.81
5.4.190.0070.06015.76
5.4.180.0070.06115.73
5.4.170.0100.05515.88
5.4.160.0080.05315.79
5.4.150.0020.06815.76
5.4.140.0070.06114.54
5.4.130.0030.06214.51
5.4.120.0080.06014.53
5.4.110.0100.05814.53
5.4.100.0000.06614.57
5.4.90.0050.06114.54
5.4.80.0050.06014.41
5.4.70.0080.04914.46
5.4.60.0070.06214.43
5.4.50.0080.06814.55
5.4.40.0030.05414.42
5.4.30.0060.04114.53
5.4.20.0020.05014.50
5.4.10.0030.04714.47
5.4.00.0030.06814.35
5.3.290.0050.04113.98
5.3.280.0070.06614.02
5.3.270.0050.06713.78
5.3.260.0030.06613.97
5.3.250.0070.06713.85
5.3.240.0050.05013.81
5.3.230.0030.06413.89
5.3.220.0030.06313.76
5.3.210.0050.07013.68
5.3.200.0020.07013.76
5.3.190.0080.06713.79
5.3.180.0050.06813.86
5.3.170.0030.06913.94
5.3.160.0070.06313.98
5.3.150.0050.06813.84
5.3.140.0110.05513.76
5.3.130.0080.06013.78
5.3.120.0080.05213.83
5.3.110.0060.06813.85
5.3.100.0080.07013.45
5.3.90.0050.04313.71
5.3.80.0050.07413.38
5.3.70.0050.05513.50
5.3.60.0070.06213.67
5.3.50.0000.06913.42
5.3.40.0030.07413.49
5.3.30.0030.06713.51
5.3.20.0080.06113.40
5.3.10.0080.05113.40
5.3.00.0080.06013.39
5.2.170.0030.05710.96
5.2.160.0000.06711.00
5.2.150.0030.06311.14
5.2.140.0030.06711.09
5.2.130.0070.05710.92
5.2.120.0030.06311.05
5.2.110.0000.04010.92
5.2.100.0100.05710.92
5.2.90.0070.06011.08
5.2.80.0030.06311.09
5.2.70.0100.05710.89
5.2.60.0070.04011.03
5.2.50.0000.06710.93
5.2.40.0100.05310.95
5.2.30.0070.05311.00
5.2.20.0000.06310.83
5.2.10.0070.06010.88
5.2.00.0030.06010.76
5.1.60.0000.0509.83
5.1.50.0000.05710.07
5.1.40.0030.0539.99
5.1.30.0000.03310.39
5.1.20.0070.05310.41
5.1.10.0070.02710.11
5.1.00.0030.06010.05
5.0.50.0000.0278.53
5.0.40.0030.0408.43
5.0.30.0000.0608.23
5.0.20.0030.0308.25
5.0.10.0070.0437.97
5.0.00.0000.0408.25
4.4.90.0000.0307.96
4.4.80.0000.0207.96
4.4.70.0030.0177.96
4.4.60.0000.0377.96
4.4.50.0000.0337.96
4.4.40.0030.0507.96
4.4.30.0000.0207.96
4.4.20.0030.0307.96
4.4.10.0030.0277.96
4.4.00.0030.0307.96
4.3.110.0030.0337.96
4.3.100.0030.0307.96
4.3.90.0000.0277.96
4.3.80.0000.0537.96
4.3.70.0000.0207.96
4.3.60.0030.0207.96
4.3.50.0030.0337.96
4.3.40.0000.0537.96
4.3.30.0000.0177.96
4.3.20.0000.0377.96
4.3.10.0000.0337.96
4.3.00.0000.0237.96

preferences:
38.52 ms | 401 KiB | 5 Q