3v4l.org

run code in 300+ PHP versions simultaneously
<?php $blah = mb_strlen(array()); var_dump($blah);

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)
8.3.60.0140.00316.63
8.3.50.0100.00821.00
8.3.40.0110.00418.67
8.3.30.0070.00718.73
8.3.20.0040.00420.34
8.3.10.0050.00321.65
8.3.00.0000.00823.63
8.2.180.0110.00418.66
8.2.170.0070.01422.96
8.2.160.0070.01120.28
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0050.00320.89
8.2.120.0030.00526.35
8.2.110.0090.00019.36
8.2.100.0060.00617.80
8.2.90.0000.00819.28
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0030.00617.80
8.2.50.0040.00718.09
8.2.40.0000.00822.27
8.2.30.0040.00419.39
8.2.20.0080.00017.58
8.2.10.0040.00417.86
8.2.00.0050.00217.99
8.1.280.0160.00425.92
8.1.270.0110.00722.23
8.1.260.0080.00028.09
8.1.250.0000.00728.09
8.1.240.0030.00722.06
8.1.230.0030.00717.64
8.1.220.0000.00717.74
8.1.210.0050.00518.77
8.1.200.0030.00617.23
8.1.190.0000.00817.12
8.1.180.0030.00518.10
8.1.170.0000.00818.36
8.1.160.0050.00320.53
8.1.150.0040.00418.75
8.1.140.0000.00819.34
8.1.130.0030.00717.44
8.1.120.0040.00417.29
8.1.110.0000.00717.27
8.1.100.0040.00417.32
8.1.90.0000.00717.34
8.1.80.0080.00417.32
8.1.70.0070.00017.31
8.1.60.0040.00417.37
8.1.50.0030.00617.40
8.1.40.0000.00917.41
8.1.30.0050.00317.50
8.1.20.0040.00417.42
8.1.10.0000.00717.39
8.1.00.0030.00617.43
8.0.300.0070.00018.77
8.0.290.0000.00716.75
8.0.280.0030.00318.43
8.0.270.0000.00717.09
8.0.260.0030.00317.16
8.0.250.0000.00716.84
8.0.240.0000.00716.85
8.0.230.0040.00416.82
8.0.220.0000.00816.89
8.0.210.0050.00316.85
8.0.200.0080.00016.96
8.0.190.0050.00216.93
8.0.180.0070.00016.92
8.0.170.0030.00516.79
8.0.160.0000.00716.89
8.0.150.0050.00516.79
8.0.140.0000.00816.84
8.0.130.0030.00313.32
8.0.120.0000.00816.76
8.0.110.0040.00416.77
8.0.100.0000.00716.76
8.0.90.0000.00716.68
8.0.80.0070.01016.94
8.0.70.0000.00716.80
8.0.60.0070.00016.99
8.0.50.0000.00816.93
8.0.30.0090.01217.02
8.0.20.0120.00717.40
8.0.10.0000.00717.05
8.0.00.0080.01016.70
7.4.330.0050.00016.84
7.4.320.0030.00316.48
7.4.300.0070.00016.54
7.4.290.0000.00716.38
7.4.280.0000.00716.50
7.4.270.0040.00416.41
7.4.260.0030.00316.51
7.4.250.0040.00416.54
7.4.240.0080.00016.33
7.4.230.0070.00016.43
7.4.220.0090.00916.64
7.4.210.0120.00516.59
7.4.200.0000.00716.34
7.4.160.0090.00616.54
7.4.150.0060.01217.40
7.4.140.0120.01217.86
7.4.130.0100.00916.37
7.4.120.0090.00916.42
7.4.110.0030.01416.48
7.4.100.0070.01016.58
7.4.90.0110.00716.30
7.4.80.0100.01019.39
7.4.70.0030.01416.54
7.4.60.0030.01316.30
7.4.50.0040.01116.39
7.4.40.0070.01016.48
7.4.30.0060.01216.34
7.4.00.0050.00314.59
7.3.330.0090.00013.05
7.3.320.0030.00313.10
7.3.310.0030.00316.25
7.3.300.0000.00716.13
7.3.290.0040.00416.02
7.3.280.0070.00816.17
7.3.270.0030.01317.40
7.3.260.0190.00316.44
7.3.250.0090.00716.25
7.3.240.0050.01216.42
7.3.230.0140.00916.39
7.3.210.0060.01016.50
7.3.200.0120.00619.39
7.3.190.0040.01216.38
7.3.180.0040.01216.48
7.3.170.0090.01416.27
7.3.160.0110.00616.24
7.3.120.0000.01714.77
7.3.110.0000.01714.45
7.3.100.0080.00414.52
7.3.90.0030.00914.75
7.3.80.0070.01014.36
7.3.70.0000.01014.74
7.3.60.0040.01114.44
7.3.50.0070.01014.67
7.3.40.0070.00714.85
7.3.30.0060.00614.85
7.3.20.0030.00716.53
7.3.10.0080.00416.57
7.3.00.0120.00016.45
7.2.330.0180.00416.50
7.2.320.0060.01016.54
7.2.310.0030.01716.38
7.2.300.0150.01116.43
7.2.290.0070.01016.58
7.2.240.0130.00314.98
7.2.230.0040.01114.88
7.2.220.0060.00614.78
7.2.210.0030.00614.80
7.2.200.0110.00414.93
7.2.190.0090.00614.68
7.2.180.0110.00714.72
7.2.170.0070.01014.78
7.2.160.0030.01014.93
7.2.150.0080.00816.95
7.2.140.0030.01016.77
7.2.130.0060.00316.67
7.2.120.0070.01016.79
7.2.110.0060.00916.86
7.2.100.0000.01016.85
7.2.90.0030.01316.73
7.2.80.0070.01016.88
7.2.70.0030.00716.84
7.2.60.0060.00616.83
7.2.50.0100.00316.62
7.2.40.0060.01016.43
7.2.30.0100.00716.59
7.2.20.0130.00316.65
7.2.10.0000.01516.66
7.2.00.0060.00917.88
7.1.330.0040.00915.87
7.1.320.0030.00815.76
7.1.310.0090.00315.41
7.1.300.0060.00815.68
7.1.290.0030.00715.55
7.1.280.0030.00815.48
7.1.270.0040.00415.86
7.1.260.0030.01015.81
7.1.250.0050.00515.70
7.1.200.0040.01115.85
7.1.100.0000.01018.30
7.1.70.0000.00817.06
7.1.60.0120.01219.40
7.1.50.0030.01016.52
7.1.00.0030.07722.45
7.0.200.0500.00714.32
7.0.60.0170.08021.77
7.0.50.0070.08017.90
7.0.40.0000.06320.20
7.0.30.0270.04720.34
7.0.20.0370.05020.33
7.0.10.0070.05020.18
7.0.00.0170.07020.32
5.6.280.0000.06320.98
5.6.210.0070.07320.62
5.6.200.0100.07718.21
5.6.190.0070.04720.45
5.6.180.0200.04020.39
5.6.170.0330.03720.71
5.6.160.0170.07720.49
5.6.150.0030.07018.12
5.6.140.0070.05718.11
5.6.130.0030.04318.21
5.6.120.0130.07021.11
5.6.110.0200.07020.98
5.6.100.0100.08320.96
5.6.90.0200.07720.99
5.6.80.0070.03320.28
5.5.350.0300.07320.41
5.5.340.0100.04018.01
5.5.330.0100.06720.21
5.5.320.0130.04720.32
5.5.310.0230.08020.31
5.5.300.0130.05717.98
5.5.290.0030.04317.95
5.5.280.0000.08320.88
5.5.270.0030.05020.86
5.5.260.0030.09020.79
5.5.250.0030.08720.69
5.5.240.0230.06720.36

preferences:
51.42 ms | 401 KiB | 5 Q