3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Get 10mb of data from /dev/zero try { $infp = fopen('/dev/zero', 'r'); $data = fread($infp, 1024 * 1024 * 1); } finally { if (isset($infp) && $infp !== false) { echo "closing!"; fclose($infp); } } write_data($data); echo "Peak memory usage: ", number_format(memory_get_peak_usage()), " bytes\n"; /** * Bad example of how to write some data to /dev/null */ function write_data($data) { $outfp = fopen('/dev/null', 'w'); fwrite($outfp, $data); fwrite($outfp, "\n"); fclose($outfp); }

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)
8.3.60.0140.00718.31
8.3.50.0140.00316.36
8.3.40.0040.01118.58
8.3.30.0030.01218.76
8.3.20.0040.00420.29
8.3.10.0040.00423.65
8.3.00.0050.00319.67
8.2.180.0060.01316.75
8.2.170.0060.00922.96
8.2.160.0150.00619.16
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00020.94
8.2.120.0000.00826.35
8.2.110.0030.00620.24
8.2.100.0080.00417.91
8.2.90.0000.00819.21
8.2.80.0080.00018.05
8.2.70.0060.00317.50
8.2.60.0030.00518.04
8.2.50.0050.00318.10
8.2.40.0040.00420.61
8.2.30.0000.00821.11
8.2.20.0000.00818.01
8.2.10.0000.00818.13
8.2.00.0030.00517.96
8.1.280.0080.01225.92
8.1.270.0050.00322.08
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00720.84
8.1.230.0070.00419.16
8.1.220.0050.00317.74
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0030.00617.35
8.1.180.0050.00318.10
8.1.170.0000.00818.64
8.1.160.0040.00418.99
8.1.150.0040.00420.59
8.1.140.0030.00519.52
8.1.130.0070.00018.91
8.1.120.0040.00417.40
8.1.110.0040.00417.41
8.1.100.0000.00717.50
8.1.90.0000.00917.52
8.1.80.0000.00717.54
8.1.70.0000.00717.53
8.1.60.0080.00017.61
8.1.50.0050.00317.58
8.1.40.0030.00917.54
8.1.30.0000.00817.64
8.1.20.0000.00817.69
8.1.10.0000.00817.57
8.1.00.0080.00017.36
8.0.300.0070.00018.77
8.0.290.0080.00016.75
8.0.280.0070.00018.54
8.0.270.0050.00517.22
8.0.260.0030.00316.94
8.0.250.0000.00717.00
8.0.240.0050.00317.10
8.0.230.0040.00417.00
8.0.220.0040.00417.02
8.0.210.0070.00017.05
8.0.200.0040.00417.10
8.0.190.0000.01017.13
8.0.180.0080.00017.02
8.0.170.0000.00717.07
8.0.160.0040.00417.04
8.0.150.0000.00717.11
8.0.140.0070.00016.89
8.0.130.0000.00714.51
8.0.120.0040.00417.02
8.0.110.0000.00716.95
8.0.100.0000.00717.01
8.0.90.0030.00516.98
8.0.80.0060.01217.02
8.0.70.0050.00217.11
8.0.60.0040.00417.00
8.0.50.0000.00717.05
8.0.30.0100.01017.07
8.0.20.0070.01617.41
8.0.10.0070.00017.02
8.0.00.0070.01416.74
7.4.330.0030.00315.55
7.4.320.0000.00616.62
7.4.300.0000.00716.57
7.4.290.0070.00316.68
7.4.280.0050.00316.60
7.4.270.0030.00316.57
7.4.260.0030.00316.52
7.4.250.0000.00816.58
7.4.240.0000.00716.64
7.4.230.0040.00416.52
7.4.220.0110.00716.65
7.4.210.0070.00716.71
7.4.200.0070.00016.64
7.4.160.0070.00916.66
7.4.150.0110.00717.40
7.4.140.0090.01217.86
7.4.130.0140.00516.78
7.4.120.0080.01016.63
7.4.110.0100.00716.68
7.4.100.0120.00416.68
7.4.90.0110.01116.56
7.4.80.0030.01419.39
7.4.70.0060.01016.51
7.4.60.0160.00716.58
7.4.50.0100.00716.74
7.4.40.0030.01416.66
7.4.30.0080.00816.77
7.4.00.0070.01015.05
7.3.330.0000.00614.48
7.3.320.0060.00014.32
7.3.310.0040.00416.41
7.3.300.0020.00516.41
7.3.290.0100.00616.50
7.3.280.0090.00916.50
7.3.270.0060.01217.40
7.3.260.0130.00716.50
7.3.250.0140.00516.64
7.3.240.0100.00816.56
7.3.230.0070.01416.52
7.3.210.0150.00316.64
7.3.200.0030.01516.78
7.3.190.0090.01316.71
7.3.180.0090.01216.51
7.3.170.0100.00716.44
7.3.160.0100.00716.59
7.3.120.0060.00915.08
7.3.110.0100.00614.86
7.3.100.0080.00714.84
7.3.90.0030.01014.76
7.3.80.0030.01214.90
7.3.70.0070.00414.96
7.3.60.0030.01014.68
7.3.50.0040.00714.91
7.3.40.0020.00814.80
7.3.30.0060.00814.66
7.3.20.0100.00316.64
7.3.10.0060.00916.65
7.3.00.0070.00716.75
7.2.330.0100.00816.63
7.2.320.0080.01116.83
7.2.310.0150.00816.85
7.2.300.0160.00616.46
7.2.290.0040.01916.73
7.2.250.0070.01114.86
7.2.240.0020.01715.07
7.2.230.0060.00914.84
7.2.220.0030.00814.99
7.2.210.0030.01215.10
7.2.200.0060.00714.96
7.2.190.0080.00614.93
7.2.180.0050.00915.00
7.2.170.0060.00514.93
7.2.160.0080.00415.02
7.2.150.0060.00617.14
7.2.140.0130.00316.72
7.2.130.0050.01216.72
7.2.120.0030.01317.00
7.2.110.0100.00516.76
7.2.100.0060.00916.90
7.2.90.0070.01016.91
7.2.80.0060.01116.93
7.2.70.0070.01117.01
7.2.60.0060.00817.02
7.2.50.0050.01316.76
7.2.40.0040.00916.94
7.2.30.0010.01317.01
7.2.20.0160.00316.74
7.2.10.0080.00816.95
7.2.00.0070.00717.64
7.1.330.0070.00615.96
7.1.320.0060.00715.75
7.1.310.0070.00715.96
7.1.300.0060.00815.70
7.1.290.0060.00615.85
7.1.280.0030.01215.71
7.1.270.0060.01115.96
7.1.260.0060.00515.81
7.1.250.0050.01115.70
7.1.240.0030.01315.92
7.1.230.0000.00815.65
7.1.220.0040.01115.54
7.1.210.0060.00615.85
7.1.200.0080.00715.70
7.1.190.0100.00615.46
7.1.180.0030.00915.97
7.1.170.0160.00015.55
7.1.160.0040.00715.70
7.1.150.0160.00315.65
7.1.140.0170.00015.61
7.1.130.0150.00315.80
7.1.120.0160.00015.82
7.1.110.0080.00315.85
7.1.100.0040.00416.96
7.1.90.0060.00615.82
7.1.80.0100.00615.88
7.1.70.0240.00715.53
7.1.60.0290.00724.58
7.1.50.0240.00824.55
7.1.40.0220.01124.20
7.1.30.0270.00824.13
7.1.20.0270.00624.44
7.1.10.0160.01015.15
7.1.00.0220.01015.19
7.0.330.0000.01415.42
7.0.320.0070.00715.06
7.0.310.0110.00315.25
7.0.300.0110.00015.49
7.0.290.0100.00315.08
7.0.280.0000.01315.39
7.0.270.0030.01015.38
7.0.260.0040.00415.35
7.0.250.0000.01015.42
7.0.240.0030.00915.59
7.0.230.0180.00315.33
7.0.220.0030.00715.39
7.0.210.0070.00715.29
7.0.200.0160.00915.11
7.0.190.0160.01115.09
7.0.180.0530.01014.76
7.0.170.0220.00514.84
7.0.160.0230.00514.87
7.0.150.0240.00914.81
7.0.140.0180.00915.01
7.0.130.0200.00915.03
7.0.120.0180.01015.19
7.0.110.0170.01115.02
7.0.100.0170.01014.98
7.0.90.0140.01114.89
7.0.80.0220.00415.01
7.0.70.0210.00814.86
7.0.60.0190.01614.64
7.0.50.0210.00814.97
7.0.40.0130.01314.02
7.0.30.0230.00714.03
7.0.20.0190.01313.82
7.0.10.0230.00813.95
7.0.00.0200.01414.07
5.6.380.0110.00414.28

preferences:
51.38 ms | 401 KiB | 5 Q