3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($a) { var_dump(fwrite($a, 'ABCDEFGHIJKLMNOPQRSTUVWXYZ')); fseek($a, 0); var_dump(fwrite($a, '1234567890')); fseek($a, 0); var_dump(fread($a, 10)); var_dump(fread($a, 10)); var_dump(fread($a, 10)); var_dump(fread($a, 10)); } $a = fopen('php://temp', 'a+'); test($a); echo '-------------------' . PHP_EOL; $a = fopen(tempnam("/tmp", "hello"), 'a+'); test($a);

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)
8.3.60.0070.01016.75
8.3.50.0190.00018.07
8.3.40.0120.00318.89
8.3.30.0110.00418.76
8.3.20.0030.00620.41
8.3.10.0080.00020.66
8.3.00.0040.00420.90
8.2.180.0070.00725.92
8.2.170.0040.01118.84
8.2.160.0070.00720.53
8.2.150.0030.00624.18
8.2.140.0060.00324.66
8.2.130.0000.00821.11
8.2.120.0050.00226.35
8.2.110.0080.00322.21
8.2.100.0000.01217.78
8.2.90.0090.00019.05
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0030.00518.04
8.2.50.0000.00818.10
8.2.40.0080.00020.60
8.2.30.0080.00019.21
8.2.20.0030.00518.06
8.2.10.0060.00318.12
8.2.00.0020.00518.01
8.1.280.0150.00625.92
8.1.270.0030.00523.99
8.1.260.0070.00726.35
8.1.250.0040.00428.09
8.1.240.0090.00022.75
8.1.230.0110.00019.18
8.1.220.0000.00817.74
8.1.210.0070.00418.77
8.1.200.0030.00617.35
8.1.190.0060.00317.11
8.1.180.0040.00418.10
8.1.170.0040.00418.52
8.1.160.0080.00018.90
8.1.150.0000.00718.84
8.1.140.0030.00519.59
8.1.130.0070.00020.58
8.1.120.0070.00017.33
8.1.110.0030.00317.38
8.1.100.0000.00917.38
8.1.90.0000.00817.42
8.1.80.0040.00417.37
8.1.70.0070.00017.41
8.1.60.0060.00317.61
8.1.50.0040.00417.56
8.1.40.0000.00917.47
8.1.30.0040.00417.68
8.1.20.0000.00817.70
8.1.10.0040.00417.48
8.1.00.0040.00417.51
8.0.300.0020.00518.77
8.0.290.0030.00616.75
8.0.280.0000.00818.44
8.0.270.0080.00016.90
8.0.260.0030.00319.04
8.0.250.0000.00716.95
8.0.240.0000.00917.00
8.0.230.0050.00316.95
8.0.220.0000.00816.82
8.0.210.0030.00316.77
8.0.200.0000.00616.99
8.0.190.0040.00416.89
8.0.180.0000.00716.90
8.0.170.0030.00616.81
8.0.160.0000.00716.97
8.0.150.0040.00416.86
8.0.140.0040.00416.78
8.0.130.0030.00313.45
8.0.120.0080.00016.88
8.0.110.0040.00416.77
8.0.100.0000.00816.81
8.0.90.0000.00816.82
8.0.80.0000.01516.97
8.0.70.0040.00416.70
8.0.60.0070.00017.02
8.0.50.0070.00016.79
8.0.30.0110.00617.12
8.0.20.0110.01017.40
8.0.10.0070.00016.96
8.0.00.0150.00416.48
7.4.330.0050.00015.55
7.4.320.0060.00016.45
7.4.300.0050.00216.53
7.4.290.0030.00316.42
7.4.280.0040.00416.60
7.4.270.0000.00816.54
7.4.260.0080.00316.59
7.4.250.0000.00816.53
7.4.240.0030.00516.51
7.4.230.0000.00716.41
7.4.220.0030.01416.55
7.4.210.0070.01416.56
7.4.200.0040.00416.65
7.4.150.0130.00617.40
7.4.140.0110.00817.86
7.4.130.0140.00716.64
7.4.120.0140.00416.50
7.4.110.0090.00916.48
7.4.100.0120.00616.28
7.4.90.0030.01516.62
7.4.80.0070.01119.39
7.4.70.0150.00616.59
7.4.60.0090.00816.40
7.4.50.0060.01216.32
7.4.40.0120.00416.71
7.4.30.0070.01016.56
7.4.00.0070.00715.09
7.3.330.0050.00013.13
7.3.320.0060.00013.33
7.3.310.0030.00316.15
7.3.300.0040.00416.36
7.3.290.0060.01016.31
7.3.280.0090.00816.32
7.3.270.0260.02717.40
7.3.260.0060.01316.59
7.3.250.0130.00716.43
7.3.240.0070.01016.47
7.3.230.0080.00916.19
7.3.210.0060.01116.25
7.3.200.0110.00516.30
7.3.190.0060.01116.33
7.3.180.0130.00416.31
7.3.170.0000.02016.63
7.3.160.0100.00716.43
7.2.330.0120.00616.72
7.2.320.0090.00916.82
7.2.310.0070.01016.79
7.2.300.0040.01416.42
7.2.290.0040.01416.64
7.2.60.0030.01016.91
7.1.200.0080.00415.57
7.1.80.1660.01016.43
7.1.70.1760.01915.46
7.1.60.0300.02333.19
7.1.50.2130.01032.89
7.1.40.0300.01332.67
7.1.30.1800.00932.66
7.1.20.0470.01232.65
7.1.10.1700.01114.71
7.1.00.1940.00615.07
7.0.200.0150.01215.13
7.0.190.2810.01414.92
7.0.180.0120.01214.32
7.0.170.0250.00714.47
7.0.160.1750.01414.32
7.0.150.1470.01314.31
7.0.140.0200.00714.51
7.0.130.0310.01414.71
7.0.120.0110.01514.67
7.0.110.1650.00314.40
7.0.100.0150.01214.51
7.0.90.1940.01014.49
7.0.80.1740.01614.57
7.0.70.1650.02214.34
7.0.60.0140.01814.46
7.0.50.1680.01514.59
7.0.40.0120.01614.89
7.0.30.1760.01614.80
7.0.20.1820.00914.80
7.0.10.1630.01314.57
7.0.00.0280.00514.67

preferences:
31.21 ms | 400 KiB | 5 Q