3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo strlen(substr(mt_rand().mt_rand(),0,12));

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)
7.4.00.0110.00714.55
7.3.120.0100.00614.56
7.3.110.0050.01214.77
7.3.100.0100.00814.72
7.3.90.0080.00414.85
7.3.80.0020.01314.75
7.3.70.0080.00514.68
7.3.60.0060.00914.82
7.3.50.0070.00514.72
7.3.40.0060.00814.61
7.3.30.0050.00814.63
7.3.20.0040.00916.72
7.3.10.0070.00716.64
7.3.00.0040.00716.42
7.2.250.0130.00715.07
7.2.240.0050.01314.93
7.2.230.0030.01414.73
7.2.220.0080.00514.93
7.2.210.0050.00914.79
7.2.200.0050.01014.86
7.2.190.0020.01114.89
7.2.180.0030.00914.92
7.2.170.0070.00714.93
7.2.160.0130.00314.66
7.2.150.0030.00717.07
7.2.140.0030.01016.99
7.2.130.0120.00616.82
7.2.120.0120.00316.83
7.2.110.0000.01516.82
7.2.100.0070.01016.86
7.2.90.0030.01216.87
7.2.80.0060.01216.83
7.2.70.0080.00816.68
7.2.60.0030.01316.98
7.2.50.0060.01016.66
7.2.40.0070.01016.85
7.2.30.0060.00616.63
7.2.20.0040.01116.86
7.2.10.0050.00316.79
7.2.00.0030.00917.05
7.1.330.0020.01215.71
7.1.320.0040.00915.64
7.1.310.0080.00615.62
7.1.300.0050.01015.70
7.1.290.0030.00915.58
7.1.280.0020.01115.66
7.1.270.0030.01115.73
7.1.260.0060.00315.63
7.1.250.0040.00415.68
7.1.70.0090.00917.05
7.1.60.0110.01419.46
7.1.50.0090.00516.82
7.1.00.0070.07322.43
7.0.200.0030.00616.70
7.0.140.0000.07722.09
7.0.60.0070.07719.85
7.0.50.0070.03717.80
7.0.40.0270.06320.09
7.0.30.0270.08320.17
7.0.20.0330.07020.18
7.0.10.0070.08020.33
7.0.00.0030.04720.17
5.6.280.0030.09021.09
5.6.210.0100.05720.50
5.6.200.0070.04718.19
5.6.190.0170.08020.41
5.6.180.0300.08320.60
5.6.170.0400.07320.49
5.6.160.0100.08020.44
5.6.150.0000.04318.12
5.6.140.0030.04018.20
5.6.130.0070.03718.18
5.6.120.0130.06320.89
5.6.110.0130.03720.97
5.6.100.0000.08320.94
5.6.90.0170.07321.12
5.6.80.0070.06020.37
5.5.350.0230.07720.41
5.5.340.0070.07718.02
5.5.330.0100.04320.28
5.5.320.0300.07320.21
5.5.310.0330.07020.29
5.5.300.0100.05717.96
5.5.290.0030.06717.92
5.5.280.0130.05020.84
5.5.270.0030.08720.88
5.5.260.0030.04020.78
5.5.250.0030.06020.68
5.5.240.0070.07720.03
5.4.450.0370.05719.33
5.4.440.0300.05719.49
5.4.430.0170.05719.64
5.4.420.0270.04319.32
5.4.410.0270.05019.29
5.4.400.0230.05319.11
5.4.390.0070.05719.20
5.4.380.0100.06018.72
5.4.370.0130.04718.58
5.4.360.0130.05318.56
5.4.350.0070.06018.68
5.4.340.0070.05718.58
5.4.320.0050.04212.45
5.4.310.0080.05112.45
5.4.300.0030.05112.45
5.4.290.0110.04612.45
5.4.280.0140.04412.34
5.4.270.0120.05212.34
5.4.260.0120.05712.35
5.4.250.0130.06912.35
5.4.240.0080.06012.35
5.4.230.0110.05312.34
5.4.220.0090.05312.34
5.4.210.0090.04412.34
5.4.200.0100.04012.34
5.4.190.0100.03712.33
5.4.180.0100.03712.33
5.4.170.0140.06812.35
5.4.160.0250.09212.34
5.4.150.0110.04112.34
5.4.140.0200.06112.02
5.4.130.0140.05512.01
5.4.120.0170.09111.97
5.4.110.0310.07211.96
5.4.100.0080.06611.96
5.4.90.0160.11211.96
5.4.80.0180.09111.96
5.4.70.0140.07611.96
5.4.60.0150.09211.96
5.4.50.0120.05611.96
5.4.40.0110.05311.95
5.4.30.0200.06511.95
5.4.20.0300.07711.95
5.4.10.0260.06511.95
5.4.00.0200.10511.44
5.3.290.0060.03912.80
5.3.280.0110.05812.71
5.3.270.0080.04212.73
5.3.260.0070.05512.72
5.3.250.0130.06612.72
5.3.240.0200.09412.71
5.3.230.0230.08212.71
5.3.220.0180.08912.68
5.3.210.0120.09712.68
5.3.200.0270.07412.68
5.3.190.0200.07212.68
5.3.180.0270.08412.67
5.3.170.0270.09512.67
5.3.160.0250.07912.67
5.3.150.0210.07112.67
5.3.140.0190.08712.66
5.3.130.0320.07412.66
5.3.120.0270.06412.66
5.3.110.0360.10112.65
5.3.100.0110.07212.12
5.3.90.0250.09412.08
5.3.80.0060.05512.07
5.3.70.0100.05412.07
5.3.60.0300.06812.06
5.3.50.0130.05612.00
5.3.40.0160.06912.00
5.3.30.0100.05111.94
5.3.20.0170.06111.72
5.3.10.0400.09011.69
5.3.00.0080.08611.68
5.2.170.0160.0619.18
5.2.160.0160.0899.18
5.2.150.0250.0649.18
5.2.140.0140.0539.18
5.2.130.0220.0729.14
5.2.120.0070.0549.14
5.2.110.0070.0459.15
5.2.100.0140.0699.14
5.2.90.0200.0839.14
5.2.80.0120.0409.13
5.2.70.0160.0659.13
5.2.60.0160.0619.09
5.2.50.0120.0619.06
5.2.40.0200.0599.03
5.2.30.0420.1199.01
5.2.20.0100.0409.00
5.2.10.0220.0628.93
5.2.00.0130.0608.79
5.1.60.0080.0368.08
5.1.50.0160.0668.07
5.1.40.0180.0718.05
5.1.30.0100.0498.41
5.1.20.0110.0688.42
5.1.10.0110.0588.15
5.1.00.0130.0558.15
5.0.50.0140.0876.63
5.0.40.0040.0286.49
5.0.30.0050.0506.30
5.0.20.0150.0456.27
5.0.10.0080.0256.24
5.0.00.0100.0506.23
4.4.90.0110.0244.78
4.4.80.0040.0234.75
4.4.70.0040.0194.76
4.4.60.0060.0154.75
4.4.50.0070.0474.77
4.4.40.0130.0814.71
4.4.30.0060.0224.76
4.4.20.0030.0204.85
4.4.10.0050.0164.85
4.4.00.0130.0784.76
4.3.110.0170.0364.67
4.3.100.0050.0404.66
4.3.90.0120.0484.64
4.3.80.0170.0564.59
4.3.70.0080.0404.63
4.3.60.0100.0474.63
4.3.50.0040.0464.63
4.3.40.0120.0664.54
4.3.30.0100.0403.29
4.3.20.0090.0243.27
4.3.10.0060.0423.22
4.3.00.0070.0207.56

preferences:
37.14 ms | 400 KiB | 5 Q