3v4l.org

run code in 300+ PHP versions simultaneously
<?php $existed = in_array("var", stream_get_wrappers()); if ($existed) { stream_wrapper_unregister("var"); } stream_wrapper_register("var", "VariableStream"); $myvar = ""; $fp = fopen("var://myvar", "r+"); fwrite($fp, "line1\n"); fwrite($fp, "line2\n"); fwrite($fp, "line3\n"); rewind($fp); while (!feof($fp)) { echo fgets($fp); } fclose($fp); var_dump($myvar); if ($existed) { stream_wrapper_restore("var"); } ?>

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)
8.3.60.0140.01125.92
8.3.50.0110.00725.92
8.3.40.0090.00925.92
8.2.180.0110.00425.92
8.2.170.0110.00725.92
8.1.280.0130.00725.92
8.1.30.0060.00417.60
8.1.20.0070.00617.62
8.1.10.0070.00917.56
8.1.00.0120.00417.49
8.0.160.0130.00016.85
8.0.150.0110.00216.76
8.0.140.0050.00416.79
8.0.130.0040.00615.04
8.0.120.0050.00716.76
8.0.110.0060.00616.79
8.0.100.0060.00516.90
8.0.90.0060.00416.86
8.0.80.0050.00816.87
8.0.70.0030.00716.79
8.0.60.0050.00516.84
8.0.50.0060.00516.77
8.0.30.0140.00416.81
8.0.20.0100.00817.21
8.0.10.0070.00516.90
8.0.00.0090.00616.81
7.4.280.0100.00516.35
7.4.270.0090.00816.43
7.4.260.0160.00416.33
7.4.250.0110.01216.38
7.4.240.0050.00816.35
7.4.230.0070.00916.39
7.4.220.0110.01516.43
7.4.210.0150.02316.26
7.4.200.0120.00516.37
7.4.190.0140.01016.43
7.4.180.0250.00316.39
7.4.160.0340.00716.39
7.4.150.0300.01016.90
7.4.140.0250.00717.33
7.4.130.0240.01516.36
7.4.120.0250.01016.42
7.4.110.0190.00416.34
7.4.100.0450.01616.45
7.4.90.0400.01216.39
7.4.80.0230.01117.91
7.4.70.0080.01016.40
7.4.60.0620.01116.42
7.4.50.0100.00616.28
7.4.40.0170.00916.29
7.4.30.0410.01016.35
7.4.20.0210.00316.34
7.4.10.0200.00716.35
7.4.00.0240.00016.20
7.3.330.0150.00414.64
7.3.320.0140.00314.57
7.3.310.0100.00616.02
7.3.300.0120.00516.02
7.3.290.0200.01216.07
7.3.280.0300.01916.17
7.3.270.0280.00916.78
7.3.260.0380.01016.19
7.3.250.0420.00616.27
7.3.240.0220.00916.21
7.3.230.0260.01116.22
7.3.220.0250.00416.05
7.3.210.0140.00716.03
7.3.200.0170.01017.65
7.3.190.0180.00716.05
7.3.180.0310.00916.09
7.3.170.0230.00516.02
7.3.160.0310.00216.03
7.3.150.0140.00516.11
7.3.140.0140.00615.92
7.3.130.0130.01315.79
7.3.120.0130.00616.21
7.3.110.0170.00315.90
7.3.100.0130.01316.03
7.3.90.0160.00416.34
7.3.80.0160.00416.17
7.3.70.0180.00215.98
7.3.60.0200.01016.16
7.3.50.0150.00616.11
7.3.40.0240.00416.05
7.3.30.0120.00715.99
7.3.20.0200.00717.91
7.3.10.0180.00617.95
7.3.00.0280.00417.89
7.2.340.0100.01016.38
7.2.330.0490.00916.51
7.2.320.0170.00916.33
7.2.310.0540.02416.45
7.2.300.0220.00816.32
7.2.290.0610.00916.21
7.2.280.0180.00316.42
7.2.270.0150.01116.31
7.2.260.0110.00916.34
7.2.250.0100.01016.27
7.2.240.0160.00316.24
7.2.230.0120.00816.20
7.2.220.0110.00816.34
7.2.210.0140.00516.34
7.2.200.0130.00816.48
7.2.190.0200.00616.34
7.2.180.0200.00316.47
7.2.170.0190.00416.55
7.2.160.0170.00316.63
7.2.150.0190.00518.21
7.2.140.0230.00418.09
7.2.130.0210.00418.57
7.2.120.0170.00318.44
7.2.110.0170.00318.30
7.2.100.0210.00018.21
7.2.90.0180.00418.14
7.2.80.0130.00918.53
7.2.70.0220.00618.21
7.2.60.0190.00018.53
7.2.50.0220.00418.34
7.2.40.0130.01018.44
7.2.30.0120.00818.18
7.2.20.0250.00018.17
7.2.10.0190.01318.51
7.2.00.0110.01118.28
7.1.330.0170.00817.24
7.1.320.0110.00617.24
7.1.310.0230.00517.15
7.1.300.0170.00717.17
7.1.290.0170.00317.20
7.1.280.0180.00017.34
7.1.270.0180.00017.16
7.1.260.0160.00817.44
7.1.250.0210.00317.07
7.1.240.0150.00417.13
7.1.230.0180.01417.33
7.1.220.0160.01017.36
7.1.210.0210.00517.07
7.1.200.0220.00017.06
7.1.190.0130.00717.08
7.1.180.0140.00717.05
7.1.170.0100.00917.21
7.1.160.0190.01117.25
7.1.150.0100.01017.24
7.1.140.0190.00017.29
7.1.130.0130.00717.26
7.1.120.0210.00317.21
7.1.110.0110.01117.14
7.1.100.0090.00917.26
7.1.90.0130.00617.09
7.1.80.0200.00017.39
7.1.70.0120.00517.20
7.1.60.0110.00417.31
7.1.50.0080.00817.23
7.1.40.0080.00817.05
7.1.30.0110.00517.11
7.1.20.0130.00217.01
7.1.10.0090.00517.02
7.1.00.0180.00517.05
7.0.330.0120.00916.93
7.0.320.0240.00017.00
7.0.310.0170.00817.00
7.0.300.0160.00416.91
7.0.290.0170.00616.86
7.0.280.0140.00317.10
7.0.270.0190.00016.80
7.0.260.0120.00816.85
7.0.250.0140.00717.08
7.0.240.0090.00917.16
7.0.230.0170.00016.93
7.0.220.0230.00017.14
7.0.210.0160.00317.17
7.0.200.0070.00616.95
7.0.190.0100.00316.73
7.0.180.0100.00616.60
7.0.170.0110.00316.63
7.0.160.0080.00716.63
7.0.150.0120.00416.93
7.0.140.0090.00716.97
7.0.130.0060.00717.14
7.0.120.0100.00417.07
7.0.110.0070.00716.87
7.0.100.0120.00316.97
7.0.90.0100.00616.91
7.0.80.0100.00316.97
7.0.70.0170.00117.01
7.0.60.0090.00816.99
7.0.50.0140.00516.95
7.0.40.0150.00417.03
7.0.30.0050.00817.31
7.0.20.0060.00317.37
7.0.10.0050.00517.37
7.0.00.0070.00317.37
5.6.300.0030.05120.77
5.6.290.0140.04120.87
5.6.280.0030.04921.00
5.6.270.0030.04421.07
5.6.260.0070.04320.78
5.6.250.0130.03920.86
5.6.240.0030.05420.97
5.6.230.0070.04620.97
5.6.220.0030.04720.98
5.6.210.0060.04220.84
5.6.200.0030.05820.98
5.6.190.0030.04520.82
5.6.180.0070.04220.71
5.6.170.0030.04221.04
5.6.160.0030.04320.92
5.6.150.0060.04020.85
5.6.140.0000.04420.76
5.6.130.0000.04420.95
5.6.120.0030.04020.95
5.6.110.0070.04020.85
5.6.100.0170.05420.94
5.6.90.0060.04220.79
5.6.80.0160.03820.29
5.6.70.0100.05320.30
5.6.60.0000.04220.40
5.6.50.0100.03320.12
5.6.40.0030.03720.21
5.6.30.0040.03920.21
5.6.20.0030.04020.30
5.6.10.0000.04520.38
5.6.00.0140.04120.32
5.5.380.0030.05317.55
5.5.370.0070.04117.56
5.5.360.0100.03617.32
5.5.350.0070.04317.50
5.5.340.0090.04117.87
5.5.330.0030.04518.01
5.5.320.0030.04117.65
5.5.310.0070.04118.00
5.5.300.0070.04017.82
5.5.290.0070.04217.82
5.5.280.0030.04117.67
5.5.270.0060.03817.90
5.5.260.0300.03017.81
5.5.250.0070.04017.71
5.5.240.0140.04217.37
5.5.230.0030.04117.37
5.5.220.0000.04017.37
5.5.210.0070.03617.38
5.5.200.0000.04017.39
5.5.190.0030.03817.37
5.5.180.0060.03717.37
5.5.160.0030.04117.38
5.5.150.0000.04517.37
5.5.140.0100.03617.37
5.5.130.0000.05017.37
5.5.120.0000.04917.37
5.5.110.0000.04517.37
5.5.100.0040.03917.37
5.5.90.0030.03917.37
5.5.80.0060.03917.37
5.5.70.0030.03817.37
5.5.60.0070.03317.37
5.5.50.0070.03417.37
5.5.40.0000.04017.37
5.5.30.0070.03417.37
5.5.20.0030.04617.37
5.5.10.0030.04717.37
5.5.00.0030.03917.37
5.4.450.0030.04119.21
5.4.440.0030.04019.32
5.4.430.0030.03919.20
5.4.420.0100.03619.16
5.4.410.0310.02719.16
5.4.400.0160.03518.82
5.4.390.0030.04419.06
5.4.380.0030.03618.91
5.4.370.0000.04018.84
5.4.360.0030.04118.72
5.4.350.0070.03318.85
5.4.340.0060.04118.95
5.4.320.0100.04418.95
5.4.310.0130.04418.98
5.4.300.0070.03618.93
5.4.290.0030.03718.93
5.4.280.0000.04318.81
5.4.270.0030.03718.98
5.4.260.0030.04018.93
5.4.250.0030.04718.99
5.4.240.0030.03918.83
5.4.230.0070.03318.93
5.4.220.0030.04318.84
5.4.210.0030.04418.94
5.4.200.0000.04118.80
5.4.190.0000.04119.08
5.4.180.0070.04918.80
5.4.170.0030.04419.05
5.4.160.0100.03918.93
5.4.150.0070.04618.94
5.4.140.0000.04017.37
5.4.130.0070.03117.37
5.4.120.0070.03117.37
5.4.110.0030.04117.37
5.4.100.0040.03917.37
5.4.90.0000.04717.37
5.4.80.0000.03917.37
5.4.70.0000.03817.37
5.4.60.0060.03517.37
5.4.50.0030.03317.37
5.4.40.0070.03917.37
5.4.30.0070.05317.37
5.4.20.0030.03717.37
5.4.10.0130.04017.37
5.4.00.0030.03317.37

preferences:
68.14 ms | 401 KiB | 5 Q