3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = 'this ë̥̿̕a test'; foreach(preg_split('//u', $str, -1, PREG_SPLIT_NO_EMPTY) as $char) { echo bin2hex($char) . ' '; }

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)
8.3.60.0000.01418.55
8.3.50.0120.00618.17
8.3.40.0040.01118.76
8.3.30.0040.01118.79
8.3.20.0040.00421.65
8.3.10.0070.00318.79
8.3.00.0090.00017.63
8.2.180.0150.00316.88
8.2.170.0120.00322.96
8.2.160.0070.00722.23
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0040.00418.03
8.2.120.0080.00026.35
8.2.110.0050.00522.28
8.2.100.0110.00017.85
8.2.90.0040.00417.88
8.2.80.0000.00817.97
8.2.70.0030.00518.04
8.2.60.0080.00018.16
8.2.50.0030.00518.10
8.2.40.0050.00319.20
8.2.30.0050.00319.09
8.2.20.0090.00318.02
8.2.10.0060.00319.27
8.2.00.0000.00717.99
8.1.280.0000.01825.92
8.1.270.0050.00318.91
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.77
8.1.230.0080.00420.97
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0180.00017.25
8.1.190.0080.00417.13
8.1.180.0000.00918.10
8.1.170.0090.00018.83
8.1.160.0070.00018.90
8.1.150.0030.00318.80
8.1.140.0040.00418.95
8.1.130.0030.00322.00
8.1.120.0000.00717.57
8.1.110.0040.00417.60
8.1.100.0040.00417.43
8.1.90.0030.00617.49
8.1.80.0050.00317.63
8.1.70.0030.00317.56
8.1.60.0030.00617.73
8.1.50.0040.00417.70
8.1.40.0000.00917.57
8.1.30.0050.00317.83
8.1.20.0000.00917.89
8.1.10.0080.00017.70
8.1.00.0000.00817.50
8.0.300.0000.00721.80
8.0.290.0060.00316.88
8.0.280.0000.00718.48
8.0.270.0000.00717.29
8.0.260.0030.00318.38
8.0.250.0030.00317.10
8.0.240.0000.00717.06
8.0.230.0030.00317.18
8.0.220.0030.00617.10
8.0.210.0030.00317.01
8.0.200.0000.00717.22
8.0.190.0030.00517.17
8.0.180.0040.00416.99
8.0.170.0050.00517.08
8.0.160.0090.00017.13
8.0.150.0070.00017.05
8.0.140.0040.00417.02
8.0.130.0030.00313.50
8.0.120.0000.00816.92
8.0.110.0030.00316.94
8.0.100.0070.00016.93
8.0.90.0030.00517.21
8.0.80.0100.00717.09
8.0.70.0070.00317.19
8.0.60.0020.00516.91
8.0.50.0040.00416.96
8.0.30.0150.00317.15
8.0.20.0120.00617.40
8.0.10.0070.00017.09
8.0.00.0080.01217.02
7.4.330.0050.00015.55
7.4.320.0030.00316.62
7.4.300.0030.00316.82
7.4.290.0040.00416.82
7.4.280.0080.00016.69
7.4.270.0000.00816.62
7.4.260.0050.00316.79
7.4.250.0030.00616.70
7.4.240.0040.00416.66
7.4.230.0040.00416.78
7.4.220.0030.00516.78
7.4.210.0040.01316.80
7.4.200.0030.00316.88
7.4.160.0090.00816.61
7.4.140.0070.01017.86
7.4.130.0070.01016.48
7.4.120.0060.01516.60
7.4.110.0160.00616.53
7.4.100.0100.01416.50
7.4.90.0100.00616.75
7.4.80.0030.01319.39
7.4.70.0110.00616.68
7.4.60.0100.00616.67
7.4.50.0040.01216.48
7.4.40.0140.01016.71
7.4.00.0030.01215.18
7.3.330.0000.00513.25
7.3.320.0060.00313.28
7.3.310.0050.00316.46
7.3.300.0050.00216.40
7.3.290.0030.00316.46
7.3.280.0090.00816.44
7.3.260.0080.01216.41
7.3.240.0100.01016.53
7.3.230.0110.00616.75
7.3.210.0130.00316.49
7.3.200.0070.01016.65
7.3.190.0140.00316.25
7.3.180.0050.01116.52
7.3.170.0060.01716.43
7.3.160.0080.00816.60
7.3.10.0390.01415.11
7.3.00.0830.00914.87
7.2.330.0110.00716.79
7.2.320.0090.00916.73
7.2.310.0100.00716.63
7.2.300.0090.01316.77
7.2.290.0070.01016.88
7.2.130.0460.01614.99
7.2.120.0480.01015.11
7.2.110.0500.01115.07
7.2.100.0370.00914.82
7.2.90.0460.00315.22
7.2.80.0540.00715.21
7.2.70.0460.00915.18
7.2.60.0390.00315.21
7.2.50.0360.00715.04
7.2.40.0330.01014.85
7.2.30.0380.00314.94
7.2.20.0310.00614.89
7.2.10.0370.00714.63
7.2.00.0350.01115.12
7.1.250.0410.00914.04

preferences:
55.87 ms | 400 KiB | 5 Q