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)
8.3.40.0090.00618.59
8.3.30.0120.00318.72
8.3.20.0050.00319.03
8.3.10.0080.00021.91
8.3.00.0070.00023.66
8.2.170.0070.00722.96
8.2.160.0100.00719.16
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00020.96
8.2.120.0050.00326.35
8.2.110.0060.00320.41
8.2.100.0030.00717.72
8.2.90.0040.00420.59
8.2.80.0000.00917.97
8.2.70.0050.00317.80
8.2.60.0000.00718.22
8.2.50.0000.00817.63
8.2.40.0000.00817.93
8.2.30.0040.00419.32
8.2.20.0000.00718.07
8.2.10.0000.00818.01
8.2.00.0040.00419.50
8.1.270.0050.00222.15
8.1.260.0070.00026.35
8.1.250.0000.00928.09
8.1.240.0000.00822.25
8.1.230.0030.00720.97
8.1.220.0000.00817.78
8.1.210.0040.00418.85
8.1.200.0030.00617.25
8.1.190.0030.00517.35
8.1.180.0000.00818.10
8.1.170.0030.00617.62
8.1.160.0000.00718.95
8.1.150.0040.00418.90
8.1.140.0000.00717.71
8.1.130.0000.00719.06
8.1.120.0040.00417.42
8.1.110.0030.00517.38
8.1.100.0000.00717.44
8.1.90.0040.00417.55
8.1.80.0040.00417.43
8.1.70.0040.00417.48
8.1.60.0050.00317.62
8.1.50.0060.00317.59
8.1.40.0050.00317.42
8.1.30.0050.00317.70
8.1.20.0000.00717.67
8.1.10.0000.00817.50
8.1.00.0030.00617.35
8.0.300.0070.00020.03
8.0.290.0040.00416.63
8.0.280.0030.00318.43
8.0.270.0030.00416.91
8.0.260.0030.00317.25
8.0.250.0000.00716.95
8.0.240.0000.01017.06
8.0.230.0070.00017.02
8.0.220.0060.00416.96
8.0.210.0080.00016.90
8.0.200.0000.00617.00
8.0.190.0030.00517.05
8.0.180.0040.00416.98
8.0.170.0030.00516.98
8.0.160.0070.00016.98
8.0.150.0070.00016.82
8.0.140.0030.00316.98
8.0.130.0000.00513.38
8.0.120.0000.01016.88
8.0.110.0080.00016.92
8.0.100.0000.00717.01
8.0.90.0000.00916.81
8.0.80.0080.00816.95
8.0.70.0050.00317.00
8.0.60.0040.00416.91
8.0.50.0070.00016.87
8.0.30.0070.01017.09
8.0.20.0090.01017.40
8.0.10.0040.00416.98
8.0.00.0090.00916.83
7.4.330.0000.00415.55
7.4.320.0030.00316.46
7.4.300.0030.00616.38
7.4.290.0030.00316.45
7.4.280.0040.00416.41
7.4.270.0090.00016.50
7.4.260.0030.00316.55
7.4.250.0070.00016.41
7.4.240.0080.00016.36
7.4.230.0000.00716.56
7.4.220.0030.00516.48
7.4.210.0100.00416.50
7.4.200.0030.00316.35
7.4.160.0040.01316.50
7.4.140.0110.00617.86
7.4.130.0150.00316.28
7.4.120.0100.00816.51
7.4.110.0110.00716.50
7.4.100.0140.00316.45
7.4.90.0090.01116.70
7.4.80.0060.01519.39
7.4.70.0070.01016.23
7.4.60.0080.00816.41
7.4.50.0000.01516.52
7.4.40.0070.01016.48
7.4.10.0030.01314.79
7.4.00.0030.01514.97
7.3.330.0000.00513.02
7.3.320.0000.00613.12
7.3.310.0000.00716.41
7.3.300.0070.00016.14
7.3.290.0030.00316.19
7.3.280.0040.01216.19
7.3.260.0090.01016.40
7.3.240.0110.00816.38
7.3.230.0180.00016.29
7.3.210.0090.00916.42
7.3.200.0100.00716.35
7.3.190.0100.00616.16
7.3.180.0090.00616.46
7.3.170.0180.00016.32
7.3.160.0060.01116.25
7.3.130.0100.01014.72
7.3.120.0070.01014.75
7.3.110.0030.01614.76
7.3.100.0110.00415.02
7.3.90.0070.00714.98
7.3.80.0050.00514.75
7.3.70.0030.01414.61
7.3.60.0090.00314.50
7.3.50.0050.00514.74
7.3.40.0040.00714.87
7.3.30.0090.00614.59
7.3.20.0400.00815.84
7.3.10.0360.00715.50
7.3.00.0260.00315.60
7.2.330.0120.00616.53
7.2.320.0090.01116.53
7.2.310.0030.01516.44
7.2.300.0100.00616.44
7.2.290.0080.01216.55
7.2.260.0070.01115.26
7.2.250.0100.01015.04
7.2.240.0070.01015.20
7.2.230.0120.00614.86
7.2.220.0060.01015.34
7.2.210.0100.00614.82
7.2.200.0030.00715.08
7.2.190.0100.00315.13
7.2.180.0040.00814.99
7.2.170.0070.00314.72
7.2.160.0060.00315.14
7.2.150.0350.01215.74
7.2.140.0330.00615.59
7.2.130.0280.00715.98
7.2.120.0320.00915.85
7.2.110.0290.01216.19
7.2.100.0620.00815.52
7.2.90.0580.00815.54
7.2.80.0450.00615.38
7.2.70.0760.00415.50
7.2.60.0720.00815.30
7.2.50.0670.01015.40
7.2.40.0740.00515.54
7.2.30.0860.00915.54
7.2.20.0710.01115.31
7.2.10.0840.00615.37
7.2.00.0810.00815.37
7.1.330.0100.00615.80
7.1.320.0000.01115.61
7.1.310.0030.01015.89
7.1.300.0060.00915.75
7.1.290.0130.00015.70
7.1.280.0030.00615.60
7.1.270.0120.00015.69
7.1.260.0070.00715.80
7.1.250.0510.00514.66
7.1.240.0340.01214.70
7.1.230.0380.00814.78
7.1.220.0460.00914.54
7.1.210.0460.00814.47
7.1.200.0490.01214.50
7.1.190.0500.00814.38
7.1.180.0540.00414.38
7.1.170.0670.01014.23
7.1.160.0680.01014.24
7.1.150.0920.00714.32
7.1.140.0910.00914.20
7.1.130.0850.00414.24
7.1.120.0750.01214.10
7.1.110.0870.00614.36
7.1.100.0870.00814.16
7.1.90.0790.00614.17
7.1.80.0790.00914.13
7.1.70.0820.00714.23
7.1.60.0850.00923.09
7.1.50.1040.00623.17
7.1.40.0960.00723.06
7.1.30.1040.00823.20
7.1.20.1230.00823.24
7.1.10.0830.00814.17
7.1.00.1050.00614.26
7.0.330.0600.00313.51
5.6.380.0100.00714.21

preferences:
60.62 ms | 400 KiB | 5 Q