3v4l.org

run code in 300+ PHP versions simultaneously
<?php $stream = fopen("php://temp", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream)); $stream = fopen("php://memory", "r+"); fwrite($stream, "0123456789"); rewind($stream); var_dump(fread($stream, 10), ftell($stream), feof($stream)); var_dump(fread($stream, 1), ftell($stream), feof($stream));

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)
8.4.130.0240.00917.44
8.4.120.0110.00820.01
8.4.110.0230.00721.49
8.4.100.0230.01017.99
8.4.90.0210.01017.89
8.4.80.0240.01217.86
8.4.70.0170.00817.83
8.4.60.0190.00818.22
8.4.50.0260.00818.96
8.4.40.0230.00717.39
8.4.30.0270.00818.62
8.4.20.0220.00918.59
8.4.10.0230.01219.73
8.3.260.0210.00616.44
8.3.250.0150.00617.71
8.3.240.0160.00716.55
8.3.230.0270.00616.30
8.3.220.0250.00517.68
8.3.210.0220.00916.56
8.3.200.0230.00616.42
8.3.190.0250.00816.77
8.3.180.0260.00417.28
8.3.170.0260.00816.81
8.3.160.0270.00819.63
8.3.150.0240.01016.26
8.3.140.0260.00416.72
8.3.130.0200.00716.50
8.3.120.0220.00617.52
8.3.110.0200.00716.37
8.3.100.0190.01016.28
8.3.90.0250.00621.50
8.3.80.0190.00716.36
8.3.70.0240.00816.43
8.3.60.0260.00716.53
8.3.50.0210.00821.29
8.3.40.0290.00417.89
8.3.30.0190.00917.63
8.3.20.0170.00420.75
8.3.10.0160.00620.97
8.3.00.0180.00621.72
8.2.290.0210.00818.30
8.2.280.0210.00917.44
8.2.270.0320.00916.67
8.2.260.0230.00517.29
8.2.250.0210.00616.70
8.2.240.0130.00417.58
8.2.230.0140.00518.68
8.2.220.0160.00620.20
8.2.210.0230.00421.61
8.2.200.0150.00516.49
8.2.190.0150.00416.54
8.2.180.0200.00521.23
8.2.170.0190.00218.23
8.2.160.0200.00820.31
8.2.150.0200.00421.60
8.2.140.0210.00621.05
8.2.130.0150.00321.91
8.2.120.0130.00617.42
8.2.110.0100.00519.85
8.2.100.0260.00417.52
8.2.90.0170.00817.73
8.2.80.0130.00418.29
8.2.70.0120.00517.22
8.2.60.0110.00417.38
8.2.50.0230.00817.63
8.2.40.0150.00718.34
8.2.30.0180.00518.27
8.2.20.0130.00617.65
8.2.10.0090.00518.29
8.2.00.0080.00518.39
8.1.330.0120.00719.12
8.1.320.0130.00616.19
8.1.310.0240.00817.19
8.1.300.0180.01217.19
8.1.290.0210.00717.47
8.1.280.0220.00820.94
8.1.270.0220.00520.66
8.1.260.0220.00521.79
8.1.250.0190.00622.65
8.1.240.0200.00420.69
8.1.230.0190.00518.93
8.1.220.0170.00617.54
8.1.210.0140.00717.93
8.1.200.0180.00917.02
8.1.190.0130.00417.14
8.1.180.0070.00617.54
8.1.170.0140.00417.77
8.1.160.0200.00418.00
8.1.150.0200.00418.03
8.1.140.0080.00418.71
8.1.130.0110.00218.69
8.1.120.0140.00617.13
8.1.110.0170.00517.33
8.1.100.0130.00617.31
8.1.90.0100.00317.32
8.1.80.0160.00517.34
8.1.70.0060.00617.29
8.1.60.0150.00817.29
8.1.50.0150.00617.41
8.1.40.0160.00417.40
8.1.30.0150.00817.41
8.1.20.0190.00717.47
8.1.10.0180.00517.37
8.1.00.0200.00617.26
8.0.300.0200.00618.29
8.0.290.0210.00416.63
8.0.280.0170.00717.36
8.0.270.0170.00516.69
8.0.260.0220.00418.37
8.0.250.0190.00516.68
8.0.240.0180.00516.76
8.0.230.0170.00616.83
8.0.220.0160.00716.69
8.0.210.0190.00416.63
8.0.200.0170.00616.74
8.0.190.0140.00816.74
8.0.180.0230.00716.75
8.0.170.0180.00516.71
8.0.160.0140.00916.74
8.0.150.0200.00516.73
8.0.140.0150.00816.73
8.0.130.0180.00414.97
8.0.120.0190.00516.78
8.0.110.0170.00616.57
8.0.100.0170.00716.61
8.0.90.0220.00316.75
8.0.80.0140.01116.73
8.0.70.0150.00916.60
8.0.60.0130.00716.81
8.0.50.0110.00516.64
8.0.30.0220.00416.68
8.0.20.0150.00616.82
8.0.10.0080.00416.83
8.0.00.0220.01116.69
7.4.330.0120.00215.97
7.4.320.0080.00416.26
7.4.300.0130.00816.43
7.4.290.0170.00516.38
7.4.280.0110.00516.37
7.4.270.0070.00416.33
7.4.260.0080.00314.70
7.4.250.0070.00416.41
7.4.240.0080.00316.34
7.4.230.0070.00516.26
7.4.220.0100.00616.39
7.4.210.0140.00816.47
7.4.200.0170.00516.38
7.4.190.0290.00816.38
7.4.180.0310.00616.18
7.4.160.0260.01016.15
7.4.150.0310.00716.26
7.4.140.0230.00716.23
7.4.130.0130.00816.31
7.4.120.0160.00716.19
7.4.110.0160.00916.29
7.4.100.0210.00716.33
7.4.90.0080.01016.07
7.4.80.0130.00416.04
7.4.70.0110.00616.14
7.4.60.0150.00216.24
7.4.50.0150.00816.05
7.4.40.0190.00816.22
7.4.30.0180.01016.09
7.4.20.0150.00916.05
7.4.10.0140.00916.10
7.4.00.0180.00816.18
7.3.330.0110.00516.19
7.3.320.0180.00514.65
7.3.310.0160.00315.98
7.3.300.0130.00816.04
7.3.290.0110.00916.11
7.3.280.0210.00515.82
7.3.270.0280.00616.27
7.3.260.0200.00715.99
7.3.250.0270.00715.73
7.3.240.0290.00715.88
7.3.230.0160.00915.98
7.3.220.0330.00515.89
7.3.210.0170.00615.91
7.3.200.0190.00815.92
7.3.190.0150.00716.06
7.3.180.0180.00716.12
7.3.170.0160.00916.00
7.3.160.0150.00915.99
7.3.150.0200.00515.99
7.3.140.0170.00716.30
7.3.130.0180.00516.08
7.3.120.0140.00616.08
7.3.110.0080.01015.90
7.3.100.0150.00816.11
7.3.90.0160.00816.22
7.3.80.0140.01015.96
7.3.70.0170.00816.14
7.3.60.0170.00715.97
7.3.50.0140.00916.11
7.3.40.0190.00715.88
7.3.30.0160.00816.02
7.3.20.0350.01116.55
7.3.10.0160.00516.63
7.3.00.0170.01016.52
7.2.340.0330.00716.31
7.2.330.0150.00616.15
7.2.320.0140.00716.20
7.2.310.0140.00916.23
7.2.300.0180.00716.25
7.2.290.0150.01216.17
7.2.280.0170.00716.32
7.2.270.0180.00516.17
7.2.260.0190.00516.05
7.2.250.0160.00916.16
7.2.240.0180.00916.16
7.2.230.0170.00616.16
7.2.220.0110.01216.28
7.2.210.0120.00716.09
7.2.200.0140.00816.20
7.2.190.0070.01116.06
7.2.180.0140.01116.06
7.2.170.0100.01316.13
7.2.160.0200.00516.24
7.2.150.0200.01016.69
7.2.140.0140.01116.75
7.2.130.0190.00516.59
7.2.120.0160.00816.88
7.2.110.0160.00816.68
7.2.100.0130.00916.90
7.2.90.0400.00416.80
7.2.80.0190.00716.79
7.2.70.0150.01016.78
7.2.60.0140.01316.80
7.2.50.0190.00616.78
7.2.40.0180.00816.77
7.2.30.0140.01216.64
7.2.20.0180.00916.83
7.2.10.0190.00916.70
7.2.00.0270.00716.78

preferences:
121.7 ms | 403 KiB | 5 Q