3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'Test string for writing and reading from memory stream'; $r = fopen('php://memory', 'rw'); var_dump(fwrite($r, $str)); fseek($r, 0); var_dump(stream_get_contents($r));

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)
8.3.60.0040.01118.18
8.3.50.0150.00721.92
8.3.40.0070.00718.54
8.3.30.0070.00719.04
8.3.20.0030.00520.16
8.3.10.0170.00021.89
8.3.00.0080.00019.02
8.2.180.0070.00718.18
8.2.170.0080.00818.73
8.2.160.0120.00622.96
8.2.150.0000.00824.18
8.2.140.0080.00024.66
8.2.130.0070.00026.16
8.2.120.0110.00719.45
8.2.110.0060.00322.12
8.2.100.0040.00718.03
8.2.90.0050.00319.05
8.2.80.0000.00917.97
8.2.70.0080.00017.38
8.2.60.0080.00317.79
8.2.50.0080.00018.07
8.2.40.0060.00318.09
8.2.30.0000.00718.05
8.2.20.0050.00317.59
8.2.10.0050.00318.11
8.2.00.0040.00417.55
8.1.280.0120.00925.92
8.1.270.0060.00318.88
8.1.260.0040.00426.35
8.1.250.0100.00728.09
8.1.240.0090.00020.91
8.1.230.0000.01119.09
8.1.220.0040.00417.74
8.1.210.0050.00218.77
8.1.200.0040.00417.35
8.1.190.0080.00017.13
8.1.180.0040.00418.10
8.1.170.0030.00518.59
8.1.160.0000.00721.88
8.1.150.0030.00518.86
8.1.140.0000.00819.13
8.1.130.0060.00317.83
8.1.120.0040.00417.37
8.1.110.0070.00017.31
8.1.100.0000.00717.35
8.1.90.0040.00417.36
8.1.80.0000.00817.35
8.1.70.0040.00417.37
8.1.60.0080.00017.53
8.1.50.0060.00617.43
8.1.40.0000.00717.49
8.1.30.0000.00817.50
8.1.20.0040.00417.62
8.1.10.0000.00717.31
8.1.00.0000.00817.36
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0000.00718.39
8.0.270.0040.00417.13
8.0.260.0000.00617.25
8.0.250.0000.00616.99
8.0.240.0050.00316.81
8.0.230.0000.00716.95
8.0.220.0000.00716.79
8.0.210.0000.00716.93
8.0.200.0060.00016.91
8.0.190.0080.00316.88
8.0.180.0000.00816.89
8.0.170.0040.00416.83
8.0.160.0000.00716.91
8.0.150.0000.00716.73
8.0.140.0000.00816.80
8.0.130.0050.00013.27
8.0.120.0080.00016.77
8.0.110.0000.00716.79
8.0.100.0040.00416.74
8.0.90.0040.00416.87
8.0.80.0070.01116.88
8.0.70.0040.00416.78
8.0.60.0000.00716.95
8.0.50.0080.00016.88
8.0.30.0140.01217.01
8.0.20.0060.01517.40
8.0.10.0070.00016.98
8.0.00.0080.00916.67
7.4.330.0020.00215.03
7.4.320.0060.00016.42
7.4.300.0070.00016.49
7.4.290.0040.00416.45
7.4.280.0000.00616.50
7.4.270.0030.00316.35
7.4.260.0030.00516.47
7.4.250.0000.00716.41
7.4.240.0030.00316.54
7.4.230.0030.00316.62
7.4.220.0070.01016.55
7.4.210.0120.00416.63
7.4.200.0040.00416.53
7.4.160.0070.01416.46
7.4.150.0170.00917.40
7.4.140.0120.01117.86
7.4.130.0110.01016.21
7.4.120.0080.00916.46
7.4.110.0100.00716.53
7.4.100.0090.01216.40
7.4.90.0130.00316.38
7.4.80.0100.00719.39
7.4.70.0160.00616.32
7.4.60.0140.00316.37
7.4.50.0000.00916.18
7.4.40.0070.01416.52
7.4.30.0050.01116.48
7.4.00.0030.01014.91
7.3.330.0000.00613.03
7.3.320.0050.00012.97
7.3.310.0030.00516.13
7.3.300.0040.00416.15
7.3.290.0080.00616.19
7.3.280.0100.00616.24
7.3.270.0080.01617.40
7.3.260.0160.00716.08
7.3.250.0120.00716.21
7.3.240.0060.01016.37
7.3.230.0110.00916.39
7.3.210.0100.00716.12
7.3.200.0060.01219.39
7.3.190.0120.00616.38
7.3.180.0040.01216.16
7.3.170.0060.01516.27
7.3.160.0130.00316.44
7.2.330.0120.00616.40
7.2.320.0120.00816.59
7.2.310.0110.00516.61
7.2.300.0030.01316.16
7.2.290.0190.00316.35
7.2.00.0070.01019.38
7.1.100.0100.01018.11
7.1.70.0100.00317.08
7.1.60.0060.01619.46
7.1.50.0040.01416.62
7.1.00.0030.07322.31
7.0.200.0070.00314.72
7.0.140.0000.05721.98
7.0.60.0100.08020.04
7.0.50.0000.04317.86
7.0.40.0100.08020.02
7.0.30.0270.07020.05
7.0.20.0230.08320.12
7.0.10.0170.08020.17
7.0.00.0070.08020.33
5.6.280.0030.08321.13
5.6.210.0070.07720.74
5.6.200.0070.04018.13
5.6.190.0070.03720.61
5.6.180.0330.04320.33
5.6.170.0100.04720.41
5.6.160.0030.06020.51
5.6.150.0130.06718.18
5.6.140.0100.08018.14
5.6.130.0000.09018.11
5.6.120.0200.05320.89
5.6.110.0000.05021.11
5.6.100.0130.07721.00
5.6.90.0100.04320.95
5.6.80.0030.06720.52
5.5.350.0230.03720.43
5.5.340.0030.04017.92
5.5.330.0070.04720.07
5.5.320.0070.06020.41
5.5.310.0300.08020.14
5.5.300.0070.05017.92
5.5.290.0030.08718.01
5.5.280.0000.07020.97
5.5.270.0030.06320.74
5.5.260.0100.04020.75
5.5.250.0100.04720.46
5.5.240.0100.07720.25
5.4.450.0230.05319.52
5.4.440.0800.04319.13
5.4.430.0230.07319.52
5.4.420.0070.07719.50
5.4.410.0130.05319.41
5.4.400.0230.06319.23
5.4.390.0170.07318.49
5.4.380.0330.06318.61
5.4.370.0230.07318.70
5.4.360.0230.07018.54
5.4.350.0230.07318.53
5.4.340.0300.06718.72
5.4.320.0300.04718.61
5.4.310.0200.07718.59
5.4.300.0270.07018.67
5.4.290.0270.07018.67
5.4.280.0200.07718.71
5.4.270.0300.06718.71
5.4.260.0200.07018.71
5.4.250.0200.07318.50
5.4.240.0130.06318.55
5.4.230.0100.06318.68
5.4.220.0200.06318.57
5.4.210.0270.05018.66
5.4.200.0130.06316.51
5.4.190.0270.04318.50
5.4.180.0270.05318.50
5.4.170.0200.05318.63
5.4.160.0230.05018.68
5.4.150.0270.06318.46
5.4.140.0200.06716.07
5.4.130.0070.05716.27
5.4.120.0070.07016.20
5.4.110.0100.05316.09
5.4.100.0100.06316.25
5.4.90.0300.06016.27
5.4.80.0500.03716.05
5.4.70.0230.07016.18
5.4.60.0230.04716.24
5.4.50.0230.04716.23
5.4.40.0470.02316.10
5.4.30.0230.04716.01
5.4.20.0200.05016.16
5.4.10.0270.05016.09
5.4.00.0170.07015.71
5.3.290.0230.05714.76
5.3.280.0270.06014.60
5.3.270.0170.05714.52
5.3.260.0200.07014.57
5.3.250.0200.06714.50
5.3.240.0200.05314.60
5.3.230.0270.04714.55
5.3.220.0230.05314.60
5.3.210.0230.07314.50
5.3.200.0230.06714.50
5.3.190.0370.05314.62
5.3.180.0170.07314.55
5.3.170.0100.08014.66
5.3.160.0170.07314.64
5.3.150.0230.06714.55
5.3.140.0270.06314.48
5.3.130.0130.08014.46
5.3.120.0170.07714.53
5.3.110.0130.06714.58
5.3.100.0270.05713.98
5.3.90.0200.06714.03
5.3.80.0230.06014.11
5.3.70.0270.06013.93
5.3.60.0300.03714.10
5.3.50.0170.07013.93
5.3.40.0300.05713.88
5.3.30.0230.06013.89
5.3.20.0200.05013.79
5.3.10.0130.05713.57
5.3.00.0170.07313.61
5.2.170.0030.05011.20
5.2.160.0170.04011.11
5.2.150.0170.04011.20
5.2.140.0130.04311.10
5.2.130.0300.04011.14
5.2.120.0200.04011.02
5.2.110.0130.04311.09
5.2.100.0130.04011.09
5.2.90.0130.04311.08
5.2.80.0100.04311.13
5.2.70.0070.05311.07
5.2.60.0070.05011.08
5.2.50.0100.04711.00
5.2.40.0130.03711.02
5.2.30.0130.04310.98
5.2.20.0170.03310.92
5.2.10.0100.04310.82
5.2.00.0100.04010.71
5.1.60.0070.04310.01
5.1.50.0170.02710.13
5.1.40.0100.03710.04
5.1.30.0170.03010.32
5.1.20.0130.03710.45
5.1.10.0030.04310.08
5.1.00.0070.04310.04
5.0.50.0030.0338.61
5.0.40.0030.0338.40
5.0.30.0070.0438.24
5.0.20.0070.0338.21
5.0.10.0070.0308.16
5.0.00.0030.0508.33
4.4.90.0030.0235.91
4.4.80.0100.0175.85
4.4.70.0070.0305.87
4.4.60.0130.0235.90
4.4.50.0130.0235.92
4.4.40.0100.0435.81
4.4.30.0100.0275.82
4.4.20.0130.0235.94
4.4.10.0100.0275.93
4.4.00.0030.0405.96
4.3.110.0130.0235.83
4.3.100.0100.0275.80
4.3.90.0030.0335.87
4.3.80.0070.0435.82
4.3.70.0030.0275.76
4.3.60.0070.0205.79
4.3.50.0070.0205.83
4.3.40.0100.0375.79
4.3.30.0030.0234.61
4.3.20.0070.0204.57
4.3.10.0070.0204.50
4.3.00.0030.0279.27

preferences:
51.62 ms | 401 KiB | 5 Q