3v4l.org

run code in 300+ PHP versions simultaneously
<?php function mt_rand_str ($l, $c = 'abcdefghijklmnopqrstuvwxyz1234567890') { for ($s = '', $cl = strlen($c)-1, $i = 0; $i < $l; $s .= $c[mt_rand(0, $cl)], ++$i); return $s; } echo mt_rand_str(8); // Something like mp2tmpsw echo mt_rand_str(10, '0123456789ABCDEF'); ?>

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)
7.3.120.0030.01114.74
7.3.110.0050.01014.79
7.3.100.0030.01114.88
7.3.90.0080.00714.79
7.3.80.0100.00515.17
7.3.70.0050.00914.79
7.3.60.0120.00314.89
7.3.50.0060.00914.75
7.3.40.0040.00914.62
7.3.30.0020.01314.91
7.3.20.0070.01016.72
7.3.10.0080.00716.54
7.3.00.0050.00916.63
7.2.240.0090.00715.20
7.2.230.0110.00315.12
7.2.220.0090.00615.33
7.2.210.0050.01115.11
7.2.200.0090.00714.94
7.2.190.0030.01314.95
7.2.180.0060.00814.98
7.2.170.0030.00915.12
7.2.160.0050.00914.96
7.2.150.0020.01016.95
7.2.140.0020.01216.79
7.2.130.0030.01216.92
7.2.120.0080.00816.91
7.2.110.0090.00617.02
7.2.100.0050.00916.95
7.2.90.0090.00416.85
7.2.80.0040.01116.96
7.2.70.0100.00517.02
7.2.60.0090.00616.89
7.2.50.0060.01016.88
7.2.40.0050.01116.91
7.2.30.0060.01116.98
7.2.20.0050.01016.98
7.2.10.0030.01016.93
7.2.00.0040.00716.91
7.1.330.0030.01015.81
7.1.320.0050.00815.94
7.1.310.0120.00315.98
7.1.300.0070.00615.84
7.1.290.0070.00515.86
7.1.280.0070.00915.75
7.1.270.0060.00715.83
7.1.260.0020.01215.80
7.1.250.0050.00915.75
7.1.240.0080.00415.82
7.1.230.0100.00315.99
7.1.220.0110.00415.85
7.1.210.0070.00715.77
7.1.200.0060.00915.78
7.1.190.0060.00915.80
7.1.180.0070.00715.83
7.1.170.0000.01515.83
7.1.160.0030.00915.64
7.1.150.0080.00815.86
7.1.140.0060.00615.92
7.1.130.0080.00415.97
7.1.120.0080.00615.61
7.1.110.0040.01116.01
7.1.100.0040.01115.99
7.1.90.0040.01115.46
7.1.80.0060.00915.52
7.1.70.0040.00716.53
7.1.60.0080.00917.48
7.1.50.0080.01016.42
7.1.40.0120.00315.82
7.1.30.0090.00315.77
7.1.20.0030.01015.82
7.1.10.0110.00315.77
7.1.00.0050.04218.98
7.0.330.0110.00415.36
7.0.320.0060.00915.47
7.0.310.0080.00415.42
7.0.300.0130.00015.63
7.0.290.0080.00415.64
7.0.280.0120.00015.43
7.0.270.0060.00615.25
7.0.260.0110.00415.12
7.0.250.0040.00815.56
7.0.240.0060.00615.40
7.0.230.0110.00415.57
7.0.220.0040.01115.61
7.0.210.0000.01515.59
7.0.200.0040.00715.93
7.0.190.0030.01315.33
7.0.180.0100.00315.48
7.0.170.0060.01015.32
7.0.160.0060.00315.18
7.0.150.0100.00315.33
7.0.140.0080.03718.61
7.0.130.0030.01315.57
7.0.120.0020.04418.76
7.0.110.0040.00815.56
7.0.100.0040.00715.53
7.0.90.0070.00715.32
7.0.80.0040.01115.50
7.0.70.0070.00715.41
7.0.60.0000.02817.70
7.0.50.0110.03816.75
7.0.40.0110.02516.93
7.0.30.0080.02516.89
7.0.20.0130.02916.85
7.0.10.0170.04216.82
7.0.00.0150.04116.68
5.6.380.0030.00914.70
5.6.370.0060.00314.55
5.6.360.0060.00614.48
5.6.350.0100.00314.32
5.6.340.0000.01514.22
5.6.330.0160.00014.49
5.6.320.0040.01114.34
5.6.310.0130.00314.59
5.6.300.0060.00914.40
5.6.290.0030.00614.31
5.6.280.0090.03717.89
5.6.270.0030.01014.16
5.6.260.0000.01514.53
5.6.250.0110.00314.45
5.6.240.0070.00414.32
5.6.230.0090.00014.20
5.6.220.0070.00714.27
5.6.210.0020.03317.47
5.6.200.0140.04016.29
5.6.190.0150.02617.54
5.6.180.0080.02817.66
5.6.170.0160.03517.60
5.6.160.0170.04317.55
5.6.150.0260.03917.37
5.6.140.0130.03517.36
5.6.130.0080.05017.37
5.6.120.0100.02717.42
5.6.110.0150.03017.30
5.6.100.0180.04217.44
5.6.90.0130.03517.27
5.6.80.0150.04716.85
5.6.70.0130.02516.85
5.6.60.0170.04016.85
5.6.50.0100.03016.93
5.6.40.0120.02816.91
5.6.30.0130.04217.04
5.6.20.0170.04016.90
5.6.10.0130.04316.81
5.6.00.0130.03416.96
5.5.380.0030.01011.43
5.5.370.0120.00011.50
5.5.360.0030.01011.24
5.5.350.0210.02815.72
5.5.340.0070.02514.66
5.5.330.0100.02015.80
5.5.320.0110.02115.99
5.5.310.0130.03315.74
5.5.300.0130.03115.90
5.5.290.0170.03015.92
5.5.280.0130.04115.66
5.5.270.0150.02815.79
5.5.260.0300.03215.64
5.5.250.0150.03715.65
5.5.240.0100.04315.23
5.5.230.0120.05015.17
5.5.220.0130.04215.42
5.5.210.0120.02715.08
5.5.200.0190.01815.34
5.5.190.0180.03515.39
5.5.180.0130.03215.34
5.5.170.0000.01310.94
5.5.160.0170.03515.32
5.5.150.0170.02015.32
5.5.140.0110.02615.28
5.5.130.0080.03015.21
5.5.120.0220.03715.38
5.5.110.0150.03715.27
5.5.100.0180.03015.41
5.5.90.0120.02515.17
5.5.80.0100.04515.30
5.5.70.0130.03815.25
5.5.60.0170.03015.27
5.5.50.0110.02115.27
5.5.40.0110.02615.21
5.5.30.0150.02815.29
5.5.20.0140.02415.30
5.5.10.0150.04315.34
5.5.00.0170.04015.22
5.4.450.0150.03315.37
5.4.440.0100.04515.22
5.4.430.0150.03215.32
5.4.420.0150.04315.50
5.4.410.0140.04015.29
5.4.400.0150.03915.08
5.4.390.0170.03615.00
5.4.380.0050.04115.19
5.4.370.0170.03715.18
5.4.360.0100.02715.05
5.4.350.0130.04014.94
5.4.340.0120.02715.04
5.4.330.0000.01111.10
5.4.320.0130.02914.96
5.4.310.0150.03315.06
5.4.300.0130.03614.97
5.4.290.0120.03315.00
5.4.280.0150.03915.01
5.4.270.0130.02815.02
5.4.260.0130.03915.11
5.4.250.0150.02315.12
5.4.240.0200.03114.95
5.4.230.0090.04415.07
5.4.220.0080.03815.09
5.4.210.0080.02715.14
5.4.200.0110.02315.08
5.4.190.0160.03315.06
5.4.180.0130.04015.21
5.4.170.0140.02614.99
5.4.160.0150.03915.00
5.4.150.0130.03015.06
5.4.140.0220.02813.69
5.4.130.0120.03313.66
5.4.120.0080.03013.61
5.4.110.0170.03813.78
5.4.100.0120.04313.68
5.4.90.0150.03713.66
5.4.80.0280.02513.73
5.4.70.0210.03013.97
5.4.60.0170.03013.67
5.4.50.0250.02613.76
5.4.40.0190.03113.57
5.4.30.0210.03313.79
5.4.20.0110.02613.79
5.4.10.0120.03913.77
5.4.00.0150.02613.42
5.3.290.0140.04012.66
5.3.280.0120.03712.58
5.3.270.0110.03812.70
5.3.260.0150.03812.68
5.3.250.0200.03212.45
5.3.240.0130.04012.57
5.3.230.0160.02512.49
5.3.220.0100.02112.58
5.3.210.0080.02912.54
5.3.200.0130.03512.41
5.3.190.0160.03912.54
5.3.180.0110.02612.59
5.3.170.0140.03812.52
5.3.160.0190.03312.66
5.3.150.0160.03812.50
5.3.140.0110.03612.39
5.3.130.0150.04112.68
5.3.120.0120.04112.64
5.3.110.0140.02312.61
5.3.100.0200.02312.23
5.3.90.0150.03312.39
5.3.80.0120.02812.17
5.3.70.0120.04212.18
5.3.60.0270.03212.13
5.3.50.0120.04412.23
5.3.40.0140.03912.21
5.3.30.0150.02312.27
5.3.20.0100.03712.13
5.3.10.0120.02312.03
5.3.00.0170.03512.04
5.2.170.0170.01711.69
5.2.160.0110.03011.69
5.2.150.0100.02911.69
5.2.140.0150.02311.69
5.2.130.0100.02211.69
5.2.120.0120.03311.69
5.2.110.0150.03011.69
5.2.100.0100.01911.69
5.2.90.0130.03111.69
5.2.80.0130.02311.69
5.2.70.0130.02011.69
5.2.60.0150.03011.69
5.2.50.0130.02611.69
5.2.40.0100.02211.69
5.2.30.0110.02811.69
5.2.20.0120.03011.69
5.2.10.0120.02211.69
5.2.00.0140.02811.69
5.1.60.0120.02411.69
5.1.50.0080.02711.69
5.1.40.0100.02111.69
5.1.30.0100.02111.69
5.1.20.0050.02611.69
5.1.10.0080.03111.69
5.1.00.0100.02911.69
5.0.50.0070.02211.69
5.0.40.0050.01811.69
5.0.30.0170.03011.69
5.0.20.0090.01211.69
5.0.10.0050.01911.69
5.0.00.0080.03111.69
4.4.90.0030.02211.69
4.4.80.0080.01711.69
4.4.70.0070.01011.69
4.4.60.0030.02211.69
4.4.50.0080.01811.69
4.4.40.0050.02511.69
4.4.30.0030.02111.69
4.4.20.0050.01411.69
4.4.10.0050.02011.69
4.4.00.0060.02011.69
4.3.110.0080.01811.69
4.3.100.0050.01711.69
4.3.90.0010.01111.69
4.3.80.0050.02811.69
4.3.70.0020.02111.69
4.3.60.0080.01011.69
4.3.50.0030.02311.69
4.3.40.0050.03011.69
4.3.30.0020.01911.69
4.3.20.0030.01511.69
4.3.10.0050.01511.69
4.3.00.0030.02211.69

preferences:
37.34 ms | 401 KiB | 5 Q