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 * 10); } 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)
8.3.70.0100.01018.43
8.3.60.0110.00418.43
8.3.50.0120.00316.57
8.3.40.0040.01118.71
8.3.30.0040.01118.73
8.3.20.0000.00720.13
8.3.10.0040.00423.50
8.3.00.0080.00019.80
8.2.180.0120.00318.73
8.2.170.0120.00322.96
8.2.160.0180.00319.14
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0030.00520.98
8.2.120.0040.00426.35
8.2.110.0070.00320.38
8.2.100.0000.01217.84
8.2.90.0000.00819.28
8.2.80.0030.00517.97
8.2.70.0070.00317.63
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0000.00820.42
8.2.30.0000.00820.96
8.2.20.0030.00717.96
8.2.10.0040.00417.95
8.2.00.0080.00018.09
8.1.280.0160.00025.92
8.1.270.0000.00822.08
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0060.00320.73
8.1.230.0070.00419.16
8.1.220.0040.00717.76
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0030.00517.35
8.1.180.0050.00318.10
8.1.170.0000.00818.71
8.1.160.0050.00219.04
8.1.150.0040.00420.59
8.1.140.0080.00019.70
8.1.130.0040.00418.90
8.1.120.0030.00417.52
8.1.110.0070.00017.47
8.1.100.0040.00417.43
8.1.90.0060.00317.51
8.1.80.0030.00417.53
8.1.70.0040.00417.44
8.1.60.0030.00517.64
8.1.50.0050.00317.52
8.1.40.0030.00617.50
8.1.30.0040.00417.51
8.1.20.0000.00817.68
8.1.10.0040.00417.64
8.1.00.0000.00817.53
8.0.300.0040.00418.77
8.0.290.0080.00016.88
8.0.280.0030.00318.53
8.0.270.0040.00417.27
8.0.260.0030.00316.92
8.0.250.0070.00017.15
8.0.240.0040.00417.11
8.0.230.0030.00317.12
8.0.220.0000.00816.95
8.0.210.0030.00316.98
8.0.200.0080.00017.14
8.0.190.0060.00617.00
8.0.180.0060.00317.03
8.0.170.0040.00417.08
8.0.160.0050.00516.97
8.0.150.0000.00717.01
8.0.140.0040.00416.99
8.0.130.0000.01223.07
8.0.120.0000.00816.91
8.0.110.0050.00317.04
8.0.100.0000.00717.11
8.0.90.0000.00716.99
8.0.80.0120.00417.07
8.0.70.0050.00316.98
8.0.60.0040.00417.08
8.0.50.0040.00417.05
8.0.30.0140.00617.08
8.0.20.0080.01417.40
8.0.10.0040.00416.91
8.0.00.0120.00916.71
7.4.330.0070.00024.88
7.4.320.0000.00616.71
7.4.300.0000.00616.70
7.4.290.0050.00516.70
7.4.280.0080.00016.63
7.4.270.0070.00016.74
7.4.260.0000.00816.71
7.4.250.0000.00716.57
7.4.240.0040.00416.61
7.4.230.0030.00316.63
7.4.220.0150.00416.72
7.4.210.0070.00716.67
7.4.200.0050.00216.50
7.4.160.0060.01016.63
7.4.150.0180.00017.40
7.4.140.0090.00917.86
7.4.130.0130.00616.66
7.4.120.0100.00816.55
7.4.110.0130.00316.81
7.4.100.0160.00716.66
7.4.90.0090.00916.78
7.4.80.0040.01519.39
7.4.70.0090.00916.64
7.4.60.0130.00316.69
7.4.50.0130.00316.38
7.4.40.0070.01016.64
7.4.30.0030.01316.64
7.4.10.0040.01414.89
7.4.00.0070.00914.96
7.3.330.0100.00022.88
7.3.320.0040.00823.06
7.3.310.0080.00016.38
7.3.300.0030.00316.39
7.3.290.0070.00716.55
7.3.280.0100.00616.50
7.3.270.0120.00717.40
7.3.260.0190.00616.58
7.3.250.0100.01016.70
7.3.240.0110.00716.44
7.3.230.0120.00616.50
7.3.210.0120.00816.46
7.3.200.0080.00816.69
7.3.190.0090.00916.45
7.3.180.0110.01116.50
7.3.170.0100.00716.61
7.3.160.0000.01616.42
7.3.130.0100.01014.74
7.3.120.0070.01214.70
7.3.110.0060.01114.84
7.3.100.0050.00814.90
7.3.90.0030.01114.78
7.3.80.0050.00814.98
7.3.70.0030.00914.88
7.3.60.0090.00714.81
7.3.50.0050.00814.93
7.3.40.0030.00914.76
7.3.30.0040.00814.81
7.3.20.0070.00816.70
7.3.10.0050.00716.67
7.3.00.0060.00816.63
7.2.330.0240.00916.76
7.2.320.0130.01016.73
7.2.310.0100.01316.91
7.2.300.0090.00916.58
7.2.290.0080.00916.61
7.2.260.0070.01114.61
7.2.250.0100.00915.05
7.2.240.0080.00915.03
7.2.230.0020.01315.11
7.2.220.0090.00715.01
7.2.210.0070.00515.00
7.2.200.0050.00915.03
7.2.190.0060.00714.99
7.2.180.0060.00514.88
7.2.170.0050.00615.02
7.2.160.0060.00615.13
7.2.150.0030.00616.71
7.2.140.0090.00916.95
7.2.130.0100.00316.90
7.2.120.0070.01016.95
7.2.110.0030.01017.09
7.2.100.0000.00916.62
7.2.90.0100.01016.83
7.2.80.0070.01416.63
7.2.70.0030.01317.06
7.2.60.0050.01116.92
7.2.50.0120.00616.83
7.2.40.0070.00416.75
7.2.30.0030.01017.03
7.2.20.0040.01416.88
7.2.10.0120.00316.81
7.2.00.0070.00922.88
7.1.330.0050.01115.87
7.1.320.0030.00915.96
7.1.310.0090.00515.89
7.1.300.0030.01015.78
7.1.290.0050.00815.77
7.1.280.0070.00315.78
7.1.270.0010.01315.86
7.1.260.0030.00715.86
7.1.250.0030.01015.89
7.1.240.0040.01115.96
7.1.230.0080.00415.89
7.1.220.0030.01015.89
7.1.210.0040.00915.70
7.1.200.0040.00715.66
7.1.190.0070.00315.84
7.1.180.0000.01315.52
7.1.170.0040.00915.56
7.1.160.0030.01015.85
7.1.150.0030.01315.63
7.1.140.0100.00715.75
7.1.130.0090.00615.44
7.1.120.0040.00815.92
7.1.110.0000.01415.66
7.1.100.0040.01021.96
7.1.90.0030.01015.70
7.1.80.0030.00715.98
7.1.70.0210.01215.63
7.1.60.0370.01124.52
7.1.50.0320.01824.57
7.1.40.0370.01124.32
7.1.30.0380.01224.23
7.1.20.0420.01424.30
7.1.10.0350.00915.38
7.1.00.0300.00615.45
7.0.330.0090.00315.48
7.0.320.0030.01215.14
7.0.310.0080.00415.35
7.0.300.0100.00715.45
7.0.290.0080.00415.39
7.0.280.0150.00015.63
7.0.270.0040.00815.40
7.0.260.0000.01415.45
7.0.250.0090.00015.52
7.0.240.0100.00315.59
7.0.230.0080.00815.33
7.0.220.0030.00715.64
7.0.210.0000.01215.51
7.0.200.0270.01115.06
7.0.190.0170.01015.23
7.0.180.0320.01015.02
7.0.170.0290.01114.83
7.0.160.0350.00614.98
7.0.150.0240.00814.89
7.0.140.0310.00614.94
7.0.130.0240.00815.10
7.0.120.0200.01314.87
7.0.110.0210.00915.07
7.0.100.0220.00714.93
7.0.90.0180.01015.07
7.0.80.0230.00814.76
7.0.70.0190.00914.98
7.0.60.0190.00914.67
7.0.50.0160.01214.97
7.0.40.0260.00813.97
7.0.30.0210.01214.07
7.0.20.0220.00614.13
7.0.10.0230.00913.78
7.0.00.0200.01114.08
5.6.400.0110.00014.64
5.6.390.0100.00614.31
5.6.380.0000.01514.33
5.6.370.0030.00714.55
5.6.360.0110.00414.30
5.6.350.0040.00414.33
5.6.340.0000.01414.39
5.6.330.0080.00414.57
5.6.320.0000.01214.63
5.6.310.0060.00914.61
5.6.300.0090.00614.22
5.6.290.0030.01014.42
5.6.280.0000.00914.46
5.6.270.0110.00414.17
5.6.260.0030.01014.36
5.6.250.0070.00814.62
5.6.240.0070.00714.48
5.6.230.0090.00614.50
5.6.220.0110.00414.58
5.6.210.0090.00014.48
5.6.200.0040.01114.50
5.6.190.0150.00314.46
5.6.180.0110.00714.12
5.6.170.0140.00014.49
5.6.160.0030.00914.47
5.6.150.0070.00414.61
5.6.140.0070.00714.27
5.6.130.0110.00414.36
5.6.120.0100.00314.33
5.6.110.0030.00914.63
5.6.100.0100.00714.21
5.6.90.0040.01114.39
5.6.80.0030.01314.35
5.6.70.0060.00914.12
5.6.60.0030.01414.23
5.6.50.0090.00614.16
5.6.40.0040.01114.13
5.6.30.0030.01514.40
5.6.20.0100.00314.17
5.6.10.0090.00914.37
5.6.00.0040.01214.20

preferences:
54.63 ms | 401 KiB | 5 Q