3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generateRandomName($minLength, $maxLength, $alphaNumericOnly = false) { $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'; if (!$alphaNumericOnly) $chars .= ' '; $randomString = ''; $length = mt_rand($minLength, $maxLength); for ($i = 0; $i < $length; $i++) { $randomString .= $chars[rand(0, strlen($chars) - 1)]; } return $randomString; } $time = microtime(true); $i=0; while($i < 10000) { $i++; generateRandomName(15, 25); } $time = microtime(true) - $time; echo 'took ' . number_format($time, 3);

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)
7.4.10.0070.03316.66
7.4.00.0100.03916.63
7.3.130.0100.04116.48
7.3.120.0030.04016.50
7.3.110.0100.03016.52
7.3.100.0070.02816.39
7.3.90.0070.02416.45
7.3.80.0000.03116.45
7.3.70.0130.02016.54
7.3.60.0030.03816.37
7.3.50.0100.02416.37
7.3.40.0060.02616.42
7.3.30.0040.03216.34
7.3.20.0070.02818.30
7.3.10.0030.02718.23
7.3.00.0090.02518.07
7.2.260.0070.03316.89
7.2.250.0030.05116.81
7.2.240.0170.03716.45
7.2.230.0160.02316.77
7.2.220.0030.04116.76
7.2.210.0030.02916.58
7.2.200.0070.03016.64
7.2.190.0070.03616.57
7.2.180.0030.03116.55
7.2.170.0070.02616.66
7.2.160.0030.02416.67
7.2.150.0070.03118.50
7.2.140.0030.03818.44
7.2.130.0100.03718.71
7.2.120.0060.04118.58
7.2.110.0090.01918.38
7.2.100.0060.02918.47
7.2.90.0000.04718.60
7.2.80.0040.02518.34
7.2.70.0030.04718.29
7.2.60.0030.02818.55
7.2.50.0100.03818.52
7.2.40.0030.04418.42
7.2.30.0120.02118.53
7.2.20.0030.04218.60
7.2.10.0060.02518.39
7.2.00.0080.02618.81
7.1.330.0030.07417.67
7.1.320.0070.05517.56
7.1.310.0070.07317.41
7.1.300.0070.05217.43
7.1.290.0100.05317.41
7.1.280.0030.05817.55
7.1.270.0070.05917.45
7.1.260.0000.06017.42
7.1.250.0060.05517.25
7.1.240.0100.06017.40
7.1.230.0030.05317.35
7.1.220.0060.05717.43
7.1.210.0070.06717.25
7.1.200.0070.06317.30
7.1.190.0000.07317.29
7.1.180.0000.06017.21
7.1.170.0030.05317.42
7.1.160.0100.06217.46
7.1.150.0070.06817.29
7.1.140.0030.05117.45
7.1.130.0060.06417.34
7.1.120.0100.06017.61
7.1.110.0130.05317.52
7.1.100.0060.05517.65
7.1.90.0070.06217.26
7.1.80.0030.05917.29
7.1.70.0000.04917.29
7.1.60.0060.04218.33
7.1.50.0050.06217.28
7.1.40.0130.05917.48
7.1.30.0100.05317.52
7.1.20.0030.06717.59
7.1.10.0030.05517.50
7.1.00.0050.08819.87
7.0.330.0070.07717.22
7.0.320.0030.05717.04
7.0.310.0100.05617.05
7.0.300.0070.07117.08
7.0.290.0030.06116.99
7.0.280.0000.06017.13
7.0.270.0070.05116.97
7.0.260.0100.06017.14
7.0.250.0000.06217.29
7.0.240.0100.04516.93
7.0.230.0070.05917.16
7.0.220.0060.05217.17
7.0.210.0030.06317.26
7.0.200.0020.05016.91
7.0.190.0100.06016.91
7.0.180.0030.05317.18
7.0.170.0070.06517.11
7.0.160.0100.05617.13
7.0.150.0000.05917.09
7.0.140.0020.08119.50
7.0.130.0070.05217.04
7.0.120.0000.06617.15
7.0.110.0000.07917.16
7.0.100.0150.08319.57
7.0.90.0030.08518.50
7.0.80.0030.08518.51
7.0.70.0070.08518.58
7.0.60.0080.08618.52
7.0.50.0050.07318.68
7.0.40.0070.07117.53
7.0.30.0070.06917.63
7.0.20.0050.06517.60
7.0.10.0050.06017.54
7.0.00.0050.08217.58
5.6.400.0030.13316.18
5.6.390.0070.12816.25
5.6.380.0000.12716.20
5.6.370.0070.11315.73
5.6.360.0000.15716.13
5.6.350.0000.15416.29
5.6.340.0000.12616.40
5.6.330.0100.11416.05
5.6.320.0030.14016.30
5.6.310.0070.11016.14
5.6.300.0070.11216.01
5.6.290.0100.12816.12
5.6.280.0050.13618.55
5.6.270.0070.11815.82
5.6.260.0030.11616.21
5.6.250.0080.13518.43
5.6.240.0030.12718.35
5.6.230.0000.11918.28
5.6.220.0080.13218.32
5.6.210.0050.14018.40
5.6.200.0130.13518.71
5.6.190.0100.13318.50
5.6.180.0100.12618.56
5.6.170.0100.09718.50
5.6.160.0030.14118.46
5.6.150.0100.13118.64
5.6.140.0100.10318.45
5.6.130.0050.13818.67
5.6.120.0030.12118.53
5.6.110.0150.12618.46
5.6.100.0100.12818.64
5.6.90.0070.12918.59
5.6.80.0080.15218.17
5.6.70.0050.14418.15
5.6.60.0050.11218.25
5.6.50.0080.13818.16
5.6.40.0070.12818.20
5.6.30.0030.13618.21
5.6.20.0070.13818.22
5.6.10.0050.13418.20
5.6.00.0080.11218.14
5.5.380.0120.13418.25
5.5.370.0000.13418.12
5.5.360.0070.11618.22
5.5.350.0100.13618.18
5.5.340.0050.13318.46
5.5.330.0030.11418.46
5.5.320.0070.13118.41
5.5.310.0120.13418.32
5.5.300.0120.12618.51
5.5.290.0070.14818.57
5.5.280.0150.12318.38
5.5.270.0070.14318.49
5.5.260.0160.13518.45
5.5.250.0070.13818.37
5.5.240.0080.14218.09
5.5.230.0100.13518.03
5.5.220.0030.13417.96
5.5.210.0100.15818.12
5.5.200.0070.13717.93
5.5.190.0120.10618.02
5.5.180.0130.12618.09
5.5.170.0070.10915.95
5.5.160.0050.13418.01
5.5.150.0030.13418.15
5.5.140.0050.14517.88
5.5.130.0030.13118.11
5.5.120.0050.14717.94
5.5.110.0100.14218.00
5.5.100.0080.13518.07
5.5.90.0020.10518.03
5.5.80.0050.12618.01
5.5.70.0070.12917.85
5.5.60.0070.13317.87
5.5.50.0100.13418.01
5.5.40.0080.10818.01
5.5.30.0100.12617.95
5.5.20.0080.13017.91
5.5.10.0030.13818.05
5.5.00.0030.13217.97
5.4.450.0030.15416.17
5.4.440.0080.12516.00
5.4.430.0080.14416.20
5.4.420.0070.11516.11
5.4.410.0070.16116.05
5.4.400.0050.11315.93
5.4.390.0070.10815.94
5.4.380.0070.12915.91
5.4.370.0080.14715.73
5.4.360.0120.12716.06
5.4.350.0050.15515.74
5.4.340.0050.13715.86
5.4.330.0030.10812.79
5.4.320.0070.13315.94
5.4.310.0000.11415.97
5.4.300.0030.12516.10
5.4.290.0100.13015.91
5.4.280.0020.14216.00
5.4.270.0050.12215.90
5.4.260.0070.13315.90
5.4.250.0020.13315.80
5.4.240.0100.14215.87
5.4.230.0030.14015.86
5.4.220.0020.10415.92
5.4.210.0030.15215.84
5.4.200.0050.13115.89
5.4.190.0030.12416.11
5.4.180.0030.13415.88
5.4.170.0030.14515.91
5.4.160.0000.12015.89
5.4.150.0050.15315.91
5.4.140.0050.12014.57
5.4.130.0080.14714.65
5.4.120.0030.13814.60
5.4.110.0030.11514.69
5.4.100.0070.15014.72
5.4.90.0030.12214.54
5.4.80.0030.13314.60
5.4.70.0080.13214.58
5.4.60.0070.14114.53
5.4.50.0020.12814.51
5.4.40.0050.14314.64
5.4.30.0030.14314.60
5.4.20.0100.12414.65
5.4.10.0070.13514.61
5.4.00.0070.13414.27
5.3.290.0070.16213.98
5.3.280.0070.17613.89
5.3.270.0000.13914.03
5.3.260.0080.12813.98
5.3.250.0020.16613.83
5.3.240.0100.14913.82
5.3.230.0080.14913.91
5.3.220.0020.13713.85
5.3.210.0050.15813.76
5.3.200.0020.14313.75
5.3.190.0100.16113.93
5.3.180.0080.17113.95
5.3.170.0020.15513.89
5.3.160.0070.15613.87
5.3.150.0030.15713.86
5.3.140.0170.12513.91
5.3.130.0030.15713.88
5.3.120.0030.13013.93
5.3.110.0050.14113.93
5.3.100.0080.17513.66
5.3.90.0000.14813.54
5.3.80.0100.16313.52
5.3.70.0020.15913.52
5.3.60.0100.15513.44
5.3.50.0020.15813.45
5.3.40.0020.16313.69
5.3.30.0120.14113.57
5.3.20.0020.15113.38
5.3.10.0020.12713.28
5.3.00.0050.13013.31
5.2.170.0030.14011.38
5.2.160.0170.15011.38
5.2.150.0030.15711.30
5.2.140.0030.14711.38
5.2.130.0000.15011.33
5.2.120.0100.14011.35
5.2.110.0000.13711.19
5.2.100.0100.14711.18
5.2.90.0030.15311.35
5.2.80.0070.16311.35
5.2.70.0170.17011.33
5.2.60.0030.15011.23
5.2.50.0070.15711.19
5.2.40.0030.16011.24
5.2.30.0100.11711.06
5.2.20.0000.14011.29
5.2.10.0070.14710.94
5.2.00.0100.14710.79
5.1.60.0030.15010.50
5.1.50.0100.14010.21
5.1.40.0030.14010.32
5.1.30.0070.14310.55
5.1.20.0100.10710.69
5.1.10.0130.12710.34
5.1.00.0030.11010.29
5.0.50.0070.1879.92
5.0.40.0100.1839.92
5.0.30.0170.1339.92
5.0.20.0030.1939.92
5.0.10.0000.1679.92
5.0.00.0000.2009.92
4.4.90.0030.1779.92
4.4.80.0000.2009.92
4.4.70.0030.1809.92
4.4.60.0000.1639.92
4.4.50.0070.1909.92
4.4.40.0000.1379.92
4.4.30.0030.1839.92
4.4.20.0000.1909.92
4.4.10.0000.1939.92
4.4.00.0000.2009.92
4.3.110.0070.1779.92
4.3.100.0000.1839.92
4.3.90.0030.2039.92
4.3.80.0030.2039.92
4.3.70.0000.1739.92
4.3.60.0000.1839.92
4.3.50.0070.1609.92
4.3.40.0000.1809.92
4.3.30.0000.1979.92
4.3.20.0000.4539.92
4.3.10.0030.4409.92
4.3.00.0000.3909.92

preferences:
41.75 ms | 400 KiB | 5 Q