3v4l.org

run code in 300+ PHP versions simultaneously
<?php function genRandomString() { $length = 10; $characters = "0123456789abcdefghijklmnopqrstuvwxyz"; $string = ""; for ($p = 0; $p < $length; $p++) { $string .= $characters[mt_rand(0, strlen($characters)-1)]; } return $string; } echo genRandomString(); ?>

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)
7.4.00.0160.00315.13
7.3.120.0040.01415.00
7.3.110.0090.00914.89
7.3.100.0060.01314.83
7.3.90.0000.01414.89
7.3.80.0100.00614.88
7.3.70.0060.00914.98
7.3.60.0060.00614.87
7.3.50.0000.01414.71
7.3.40.0120.00614.91
7.3.30.0070.00714.82
7.3.20.0040.01416.41
7.3.10.0100.00616.66
7.3.00.0080.00616.40
7.2.250.0090.00614.99
7.2.240.0100.01015.20
7.2.230.0030.01315.01
7.2.220.0070.00714.95
7.2.210.0030.01315.04
7.2.200.0060.00614.88
7.2.190.0070.00715.14
7.2.180.0100.00615.03
7.2.170.0040.01115.21
7.2.160.0030.01314.75
7.2.150.0070.01016.95
7.2.140.0030.01317.12
7.2.130.0030.01217.00
7.2.120.0080.01116.93
7.2.110.0030.01316.92
7.2.100.0130.00617.16
7.2.90.0070.01117.09
7.2.80.0090.00417.00
7.2.70.0120.00616.95
7.2.60.0030.00617.04
7.2.50.0040.00817.04
7.2.40.0040.01216.92
7.2.30.0000.01317.08
7.2.20.0100.00716.79
7.2.10.0070.00716.74
7.2.00.0080.00718.28
7.1.330.0070.01015.95
7.1.320.0060.00616.02
7.1.310.0070.00715.96
7.1.300.0070.00315.96
7.1.290.0030.01115.80
7.1.280.0070.00715.89
7.1.270.0070.00315.79
7.1.260.0040.01115.91
7.1.250.0000.01215.89
7.1.240.0040.01115.98
7.1.230.0110.00715.74
7.1.220.0070.01015.80
7.1.210.0040.01115.94
7.1.200.0110.00415.76
7.1.190.0040.00415.70
7.1.180.0060.00615.63
7.1.170.0030.01015.94
7.1.160.0040.00415.96
7.1.150.0070.00715.84
7.1.140.0040.00815.68
7.1.130.0100.00315.71
7.1.120.0070.00715.80
7.1.110.0000.01315.95
7.1.100.0030.00915.71
7.1.90.0040.01115.79
7.1.80.0070.00715.63
7.1.70.0080.00416.43
7.1.60.0030.00716.57
7.1.50.0180.00825.27
7.1.40.0070.01015.90
7.1.30.0030.01515.66
7.1.20.0080.00415.68
7.1.10.0060.00615.62
7.1.00.0000.04619.15
7.0.330.0070.00715.36
7.0.320.0030.01015.20
7.0.310.0070.00715.19
7.0.300.0110.00315.36
7.0.290.0030.01015.42
7.0.280.0060.00615.32
7.0.270.0080.00015.07
7.0.260.0040.00415.24
7.0.250.0100.00315.14
7.0.240.0030.00715.65
7.0.230.0080.00815.45
7.0.220.0120.00615.40
7.0.210.0000.01315.37
7.0.200.0050.00915.93
7.0.190.0040.00815.58
7.0.180.0120.00315.44
7.0.170.0060.00915.59
7.0.160.0050.00315.55
7.0.150.0030.00915.47
7.0.140.0050.03818.79
7.0.130.0070.00715.57
7.0.120.0030.00915.29
7.0.110.0040.00815.45
7.0.100.0070.01015.57
7.0.90.0000.01515.21
7.0.80.0100.00315.38
7.0.70.0090.00315.43
7.0.60.0070.04317.54
7.0.50.0100.03916.75
7.0.40.0090.02216.83
7.0.30.0290.04316.66
7.0.20.0170.03016.85
7.0.10.0080.04016.81
7.0.00.0060.02516.90
5.6.400.0070.00714.13
5.6.390.0060.00614.27
5.6.380.0060.01114.44
5.6.370.0070.00714.16
5.6.360.0130.00314.64
5.6.350.0030.01014.37
5.6.340.0040.01114.58
5.6.330.0030.01014.50
5.6.320.0070.00714.39
5.6.310.0070.00714.18
5.6.300.0100.00314.57
5.6.290.0040.00714.06
5.6.280.0040.04217.76
5.6.270.0030.00914.50
5.6.260.0080.00814.48
5.6.250.0030.01014.49
5.6.240.0030.01014.25
5.6.230.0100.00614.28
5.6.220.0090.00614.34
5.6.210.0050.03217.44
5.6.200.0060.03616.18
5.6.190.0090.04717.52
5.6.180.0130.02817.40
5.6.170.0050.03017.47
5.6.160.0050.02517.45
5.6.150.0100.03816.24
5.6.140.0080.04416.36
5.6.130.0080.04416.32
5.6.120.0020.02817.56
5.6.110.0100.04317.66
5.6.100.0050.03717.56
5.6.90.0050.02717.63
5.6.80.0050.04617.19
5.6.70.2300.02417.29
5.6.60.0070.00714.51
5.6.50.0100.00014.05
5.6.40.0030.01014.46
5.6.30.0040.01114.27
5.6.20.0060.00914.37
5.6.10.0060.00614.36
5.6.00.0120.00314.30
5.5.380.0070.00714.47
5.5.370.0060.00614.34
5.5.360.0100.00314.40
5.5.350.0160.03317.49
5.5.340.0050.02716.08
5.5.330.0030.02517.39
5.5.320.0200.04017.30
5.5.310.0130.03017.45
5.5.300.0040.02716.13
5.5.290.0120.03716.17
5.5.280.0080.02817.53
5.5.270.0050.04317.30
5.5.260.0090.02317.42
5.5.250.0070.04417.52
5.5.240.2080.02217.24
5.5.230.0060.00613.98
5.5.220.0000.01614.29
5.5.210.0130.00314.54
5.5.200.0000.01414.03
5.5.190.0090.00614.07
5.5.180.0040.01114.34
5.5.170.0030.01214.22
5.5.160.0070.00714.14
5.5.150.0100.00314.11
5.5.140.0030.01314.29
5.5.130.0090.00614.23
5.5.120.0100.00014.22
5.5.110.0000.01114.36
5.5.100.0040.01114.34
5.5.90.0110.00314.41
5.5.80.0100.00714.57
5.5.70.0090.00913.87
5.5.60.0070.00314.08
5.5.50.0060.00814.46
5.5.40.0080.00414.32
5.5.30.0070.00714.23
5.5.20.0040.00814.29
5.5.10.0050.00514.36
5.5.00.0090.00614.23
5.4.450.0430.03516.06
5.4.440.0120.02716.05
5.4.430.0410.03016.01
5.4.420.0500.02816.07
5.4.410.0440.03015.95
5.4.400.0530.02815.92
5.4.390.0220.03415.69
5.4.380.0170.03015.59
5.4.370.0130.03015.59
5.4.360.0140.02815.65
5.4.350.0180.02715.51
5.4.340.0130.03315.66
5.4.330.0060.00612.55
5.4.320.0040.02412.53
5.4.310.0060.02112.53
5.4.300.0020.02312.53
5.4.290.0050.03512.52
5.4.280.0130.05112.47
5.4.270.0040.03112.47
5.4.260.0130.05512.47
5.4.250.0070.04912.47
5.4.240.0100.03812.47
5.4.230.0130.03612.46
5.4.220.0100.04112.46
5.4.210.0050.03512.46
5.4.200.0080.03212.46
5.4.190.0100.03112.46
5.4.180.0130.04512.46
5.4.170.0100.05312.47
5.4.160.0040.02912.46
5.4.150.0090.02112.46
5.4.140.0130.04312.31
5.4.130.0040.02512.30
5.4.120.0100.03312.28
5.4.110.0160.03612.28
5.4.100.0050.02712.28
5.4.90.0050.02312.28
5.4.80.0050.02212.28
5.4.70.0060.02012.27
5.4.60.0090.02812.27
5.4.50.0100.05012.27
5.4.40.0100.03612.27
5.4.30.0090.04412.27
5.4.20.0070.03112.27
5.4.10.0060.03712.27
5.4.00.0100.04712.01
5.3.290.0070.02212.68
5.3.280.0050.04612.63
5.3.270.0100.05112.64
5.3.260.0100.05812.64
5.3.250.0090.02812.64
5.3.240.0100.03212.64
5.3.230.0090.03912.63
5.3.220.0040.03012.62
5.3.210.0080.03012.62
5.3.200.0090.04512.62
5.3.190.0080.03612.62
5.3.180.0070.02812.62
5.3.170.0080.02612.61
5.3.160.0090.01812.62
5.3.150.0080.03212.61
5.3.140.0040.03112.61
5.3.130.0090.03012.61
5.3.120.0080.02412.60
5.3.110.0050.02712.61
5.3.100.0050.04812.34
5.3.90.0060.02212.33
5.3.80.0060.02512.33
5.3.70.0110.05912.32
5.3.60.0100.04012.32
5.3.50.0050.03112.29
5.3.40.0100.04312.29
5.3.30.0080.05512.27
5.3.20.0080.02112.16
5.3.10.0080.04912.14
5.3.00.0130.05612.14
5.2.170.0070.0379.21
5.2.160.0120.0479.21
5.2.150.0070.0369.22
5.2.140.0140.0599.21
5.2.130.0090.0449.17
5.2.120.0040.0329.17
5.2.110.0070.0309.18
5.2.100.0050.0389.18
5.2.90.0110.0679.18
5.2.80.0100.0369.18
5.2.70.0110.0469.17
5.2.60.0070.0459.13
5.2.50.0090.0479.10
5.2.40.0130.0339.07
5.2.30.0070.0409.05
5.2.20.0200.0669.03
5.2.10.0100.0398.94
5.2.00.0060.0418.80
5.1.60.0070.0348.09
5.1.50.0070.0428.08
5.1.40.0060.0328.06
5.1.30.0110.0268.41
5.1.20.0050.0308.43
5.1.10.0050.0298.16
5.1.00.0080.0268.16
5.0.50.0050.0236.64
5.0.40.0060.0206.50
5.0.30.0050.0356.30
5.0.20.0040.0236.28
5.0.10.0070.0536.26
5.0.00.0120.0796.25
4.4.90.0050.0344.78
4.4.80.0050.0254.75
4.4.70.0090.0314.75
4.4.60.0070.0244.75
4.4.50.0070.0234.77
4.4.40.0060.0304.71
4.4.30.0030.0234.76
4.4.20.0060.0214.84
4.4.10.0060.0234.85
4.4.00.0070.0434.76
4.3.110.0130.0324.67
4.3.100.0090.0264.66
4.3.90.0050.0264.64
4.3.80.0050.0384.58
4.3.70.0060.0214.63
4.3.60.0040.0324.63
4.3.50.0100.0444.63
4.3.40.0080.0544.53
4.3.30.0060.0293.30
4.3.20.0030.0233.27
4.3.10.0040.0263.24
4.3.00.0230.02310.54

preferences:
39.05 ms | 401 KiB | 5 Q