3v4l.org

run code in 300+ PHP versions simultaneously
<?php $testString = 'test'; $stream = fopen('php://memory', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-encode'); echo "encode - low-level - memory = " . stream_get_contents($stream) . PHP_EOL; $testString = 'dGVzdA=='; $stream = fopen('php://memory', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-decode'); echo "decode - low-level - memory = " . stream_get_contents($stream) . PHP_EOL; $testString = 'test'; $stream = fopen('php://temp', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-encode'); echo "encode - low-level - temp = " . stream_get_contents($stream) . PHP_EOL; $testString = 'dGVzdA=='; $stream = fopen('php://temp', 'r+'); fwrite($stream, $testString); rewind($stream); $filter = stream_filter_append($stream, 'convert.base64-decode'); echo "decode - low-level - temp = " . stream_get_contents($stream) . PHP_EOL;

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)
8.3.60.0150.00318.30
8.3.50.0140.00718.07
8.3.40.0120.00318.71
8.3.30.0090.00618.57
8.3.20.0050.00220.90
8.3.10.0030.00523.62
8.3.00.0080.00022.54
8.2.180.0000.01518.30
8.2.170.0060.01222.96
8.2.160.0140.00022.25
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0000.00720.94
8.2.120.0000.00726.35
8.2.110.0060.00320.83
8.2.100.0080.00417.91
8.2.90.0090.00019.48
8.2.80.0090.00017.97
8.2.70.0090.00017.93
8.2.60.0040.00418.03
8.2.50.0040.00418.10
8.2.40.0030.00621.28
8.2.30.0000.00819.30
8.2.20.0000.00817.95
8.2.10.0040.00419.26
8.2.00.0040.00418.05
8.1.280.0180.00025.92
8.1.270.0050.00220.71
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00423.92
8.1.230.0070.00422.82
8.1.220.0040.00417.79
8.1.210.0000.01018.88
8.1.200.0090.00317.35
8.1.190.0040.00417.10
8.1.180.0080.00018.10
8.1.170.0090.00018.42
8.1.160.0070.00018.86
8.1.150.0000.00718.91
8.1.140.0050.00220.23
8.1.130.0070.00020.15
8.1.120.0080.00017.37
8.1.110.0040.00417.52
8.1.100.0000.00817.38
8.1.90.0080.00017.48
8.1.80.0040.00417.51
8.1.70.0000.00917.46
8.1.60.0040.00417.52
8.1.50.0040.00417.55
8.1.40.0050.00317.48
8.1.30.0040.00417.66
8.1.20.0000.00917.73
8.1.10.0040.00417.52
8.1.00.0080.00017.29
8.0.300.0070.00019.72
8.0.290.0040.00416.75
8.0.280.0030.00518.41
8.0.270.0070.00017.25
8.0.260.0000.00721.96
8.0.250.0070.00417.01
8.0.240.0040.00417.05
8.0.230.0000.00816.91
8.0.220.0060.00316.97
8.0.210.0000.00716.99
8.0.200.0030.00317.04
8.0.190.0070.00017.04
8.0.180.0080.00017.02
8.0.170.0030.00517.02
8.0.160.0000.00716.98
8.0.150.0030.00516.87
8.0.140.0050.00316.79
8.0.130.0050.00013.36
8.0.120.0000.00716.84
8.0.110.0040.00416.93
8.0.100.0040.00416.85
8.0.90.0050.00316.96
8.0.80.0080.00816.98
8.0.70.0000.00817.03
8.0.60.0000.00716.87
8.0.50.0070.00016.86
8.0.30.0130.00616.96
8.0.20.0100.00917.02
8.0.10.0040.00416.88
8.0.00.0050.01516.70
7.4.330.0030.00315.55
7.4.320.0000.00616.56
7.4.300.0000.00716.56
7.4.290.0030.00316.47
7.4.280.0040.00416.46
7.4.270.0040.00416.56
7.4.260.0000.00716.54
7.4.250.0000.00716.43
7.4.240.0080.00016.53
7.4.230.0030.00316.36
7.4.220.0040.00416.34
7.4.210.0030.01216.52
7.4.200.0040.00416.34
7.4.160.0050.01316.58
7.4.140.0100.00917.86
7.4.130.0090.00916.49
7.4.120.0090.00916.49
7.4.110.0170.00016.61
7.4.100.0040.01916.51
7.4.90.0090.00916.61
7.4.80.0100.01019.39
7.4.70.0040.01416.45
7.4.60.0100.01016.55
7.4.50.0000.01216.51
7.4.40.0090.01216.53
7.4.00.0000.01414.70
7.3.330.0000.00513.20
7.3.320.0000.00613.21
7.3.310.0040.00416.34
7.3.300.0040.00416.18
7.3.290.0030.00616.33
7.3.280.0060.01116.27
7.3.260.0050.01316.41
7.3.240.0140.00616.41
7.3.230.0000.02316.52
7.3.210.0140.00916.25
7.3.200.0060.01116.33
7.3.190.0090.00916.52
7.3.180.0100.01016.36
7.3.170.0040.01516.51
7.3.160.0120.00916.27
7.3.30.0060.00614.58
7.3.20.0570.00814.74
7.3.10.0560.00514.61
7.3.00.0510.00714.71
7.2.330.0070.01016.71
7.2.320.0100.00716.66
7.2.310.0130.00316.70
7.2.300.0110.00616.60
7.2.290.0100.01016.80
7.2.160.0100.00614.95
7.2.150.0460.00714.97
7.2.140.0400.00915.00
7.2.130.0530.00615.04
7.2.120.0470.00515.09
7.2.110.0840.00515.03
7.2.100.0490.01015.08
7.2.90.0520.00414.99
7.2.80.0570.00315.08
7.2.70.0420.00515.09
7.2.60.0430.00814.90
7.2.50.0550.00415.10
7.2.40.0450.00715.11
7.2.30.0500.00615.02
7.2.20.0630.00915.00
7.2.10.0550.00615.04
7.2.00.0550.00515.00
7.1.270.0580.00413.76
7.1.260.0680.00413.89
7.1.250.0540.00413.80

preferences:
58.78 ms | 400 KiB | 5 Q