3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "bla" . "fasel" . "blubb";

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)
8.3.70.0100.00716.58
8.3.60.0070.00718.43
8.3.50.0090.00922.09
8.3.40.0060.01018.46
8.3.30.0100.00319.04
8.3.20.0040.00420.01
8.3.10.0000.00721.95
8.3.00.0090.00922.41
8.2.180.0190.00316.32
8.2.170.0120.00322.96
8.2.160.0070.00720.39
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0120.00626.16
8.2.120.0000.00819.36
8.2.110.0060.00322.16
8.2.100.0060.00619.50
8.2.90.0000.00919.05
8.2.80.0030.00517.97
8.2.70.0060.00317.49
8.2.60.0080.00017.55
8.2.50.0080.00418.07
8.2.40.0000.00818.09
8.2.30.0000.00917.97
8.2.20.0070.00017.56
8.2.10.0040.00417.72
8.2.00.0000.00717.52
8.1.280.0140.00325.92
8.1.270.0050.00222.24
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.84
8.1.230.0000.01119.16
8.1.220.0090.00017.74
8.1.210.0050.00318.77
8.1.200.0030.00617.11
8.1.190.0000.00717.41
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0000.00721.89
8.1.150.0040.00418.66
8.1.140.0070.00017.45
8.1.130.0000.00717.76
8.1.120.0000.00817.36
8.1.110.0030.00517.37
8.1.100.0030.00417.45
8.1.90.0040.00317.31
8.1.80.0000.00717.28
8.1.70.0000.00717.34
8.1.60.0030.00517.51
8.1.50.0020.00517.43
8.1.40.0040.00417.41
8.1.30.0000.00717.58
8.1.20.0050.00217.42
8.1.10.0050.00317.39
8.1.00.0080.00017.26
8.0.300.0000.00718.77
8.0.290.0080.00016.93
8.0.280.0030.00318.43
8.0.270.0030.00617.10
8.0.260.0000.00616.62
8.0.250.0040.00416.91
8.0.240.0050.00316.86
8.0.230.0000.00716.77
8.0.220.0000.00716.80
8.0.210.0000.00716.78
8.0.200.0030.00316.89
8.0.190.0030.00316.82
8.0.180.0000.00716.77
8.0.170.0040.00416.73
8.0.160.0000.00716.88
8.0.150.0030.00316.73
8.0.140.0000.00716.66
8.0.130.0030.00313.23
8.0.120.0000.00816.86
8.0.110.0000.00716.83
8.0.100.0030.00416.80
8.0.90.0040.00416.64
8.0.80.0030.01316.79
8.0.70.0000.00716.77
8.0.60.0030.00316.61
8.0.50.0040.00416.75
8.0.30.0100.00917.00
8.0.20.0130.00617.40
8.0.10.0080.00016.90
8.0.00.0060.01216.69
7.4.330.0030.00315.00
7.4.320.0030.00316.41
7.4.300.0000.00616.51
7.4.290.0040.00416.48
7.4.280.0040.00416.37
7.4.270.0000.00816.44
7.4.260.0050.00516.50
7.4.250.0000.00816.47
7.4.240.0010.00616.52
7.4.230.0000.00716.41
7.4.220.0060.01016.60
7.4.210.0080.00716.47
7.4.200.0000.00716.63
7.4.190.0000.00716.70
7.4.160.0080.01216.38
7.4.150.0090.00917.40
7.4.140.0120.00717.86
7.4.130.0100.00916.38
7.4.120.0120.00516.43
7.4.110.0120.00616.63
7.4.100.0110.01116.48
7.4.90.0090.00616.34
7.4.80.0140.00319.39
7.4.70.0080.00816.66
7.4.60.0100.01016.48
7.4.50.0000.00816.26
7.4.40.0070.01022.77
7.4.30.0040.01216.57
7.4.00.0080.00714.78
7.3.330.0020.00212.92
7.3.320.0060.00012.97
7.3.310.0080.00016.22
7.3.300.0070.00016.20
7.3.290.0080.00516.23
7.3.280.0100.00516.10
7.3.270.0150.00917.40
7.3.260.0030.01316.14
7.3.250.0070.01016.23
7.3.240.0000.01616.18
7.3.230.0090.00616.39
7.3.210.0190.00616.25
7.3.200.0030.01619.39
7.3.190.0220.00016.11
7.3.180.0120.00916.31
7.3.170.0100.01016.27
7.3.160.0110.01116.28
7.3.120.0080.00814.31
7.2.330.0140.00316.45
7.2.320.0130.00616.52
7.2.310.0030.01316.25
7.2.300.0070.01116.23
7.2.290.0070.01016.44
7.2.80.0080.00816.42
7.2.60.0070.00716.80
7.2.00.0090.00619.14
7.1.200.0100.00315.40
7.1.100.0040.01117.55
7.1.70.0000.01416.91
7.1.60.0100.01319.82
7.1.50.0070.01416.83
7.1.00.0000.08022.27
7.0.200.0000.00816.57
7.0.140.0070.06321.95
7.0.60.0070.08319.96
7.0.50.0030.04317.88
7.0.40.0000.09019.96
7.0.30.0330.04320.00
7.0.20.0370.07720.10
7.0.10.0170.04320.16
7.0.00.0000.09720.19
5.6.280.0030.07320.86
5.6.210.0070.08320.47
5.6.200.0030.08018.23
5.6.190.0130.08020.77
5.6.180.3030.04320.77
5.6.170.0400.07320.52
5.6.160.0000.08320.49
5.6.150.0070.04318.21
5.6.140.0030.08718.17
5.6.130.0030.08318.13
5.6.120.0000.04721.11
5.6.110.0070.04321.10
5.6.100.0070.08021.00
5.6.90.0200.07020.96
5.6.80.0070.06720.34
5.5.350.0370.07020.42
5.5.340.0100.04017.88
5.5.330.0070.04320.12
5.5.320.0270.04720.30
5.5.310.0300.07720.30
5.5.300.0030.04317.92
5.5.290.0030.08317.86
5.5.280.0030.04320.88
5.5.270.0230.06320.78
5.5.260.0130.06720.79
5.5.250.0100.05720.45
5.5.240.0100.06720.14
5.4.450.0600.03019.55
5.4.440.0900.07719.37
5.4.430.0830.06019.52
5.4.420.0130.05319.31
5.4.410.0130.07318.82
5.4.400.0300.04718.72
5.4.390.0300.05018.67
5.4.380.0300.05318.68
5.4.370.0100.03318.71
5.4.360.0100.04718.61
5.4.350.0060.03411.97
5.4.340.0050.04911.97
5.4.320.0050.04112.45
5.4.310.0030.03812.45
5.4.300.0080.04112.45
5.4.290.0050.04212.45
5.4.280.0060.04012.34
5.4.270.0100.07018.73
5.4.260.0130.07018.71
5.4.250.0100.06019.02
5.4.240.0200.04718.87
5.4.230.0170.06319.03
5.4.220.0170.06718.66
5.4.210.0070.05718.88
5.4.200.0030.06018.74
5.4.190.0070.07018.92
5.4.180.0030.05719.02
5.4.170.0030.06018.92
5.4.160.0130.04319.01
5.4.150.0070.05718.93
5.4.140.0100.07316.29
5.4.130.0170.05716.24
5.4.120.0200.06716.21
5.4.110.0170.06316.51
5.4.100.0130.05316.41
5.4.90.0030.07316.29
5.4.80.0100.04716.25
5.4.70.0070.06316.28
5.4.60.0030.07316.33
5.4.50.0230.04716.21
5.4.40.0070.06016.47
5.4.30.0100.06016.39
5.4.20.0130.04716.20
5.4.10.0130.05316.35
5.4.00.0070.07315.82
5.3.290.0050.04612.80
5.3.280.0070.05314.59
5.3.270.0100.06014.64
5.3.260.0100.07714.52
5.3.250.0130.07314.37
5.3.240.0070.05314.39
5.3.230.0000.06714.60
5.3.220.0000.05714.40
5.3.210.0130.07714.26
5.3.200.0230.05314.41
5.3.190.0100.06714.41
5.3.180.0030.07014.56
5.3.170.0130.06314.57
5.3.160.0170.04714.45
5.3.150.0070.05314.62
5.3.140.0100.07014.25
5.3.130.0070.06314.55
5.3.120.0000.08314.55
5.3.110.0030.05714.55
5.3.100.0030.05714.08
5.3.90.0070.07014.04
5.3.80.0070.06713.86
5.3.70.0000.05714.03
5.3.60.0100.05714.05
5.3.50.0070.05014.09
5.3.40.0130.04713.95
5.3.30.0170.06013.74
5.3.20.0170.06713.69
5.3.10.0170.04713.58
5.3.00.0030.07713.65

preferences:
57.61 ms | 401 KiB | 5 Q