3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(mb_strlen('😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀😀')); var_dump(mb_strlen('🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️🎖️')); var_dump(mb_strlen('aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa'));

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)
8.3.70.0070.01018.30
8.3.60.0150.00416.63
8.3.50.0030.01417.28
8.3.40.0080.00818.60
8.3.30.0120.00318.39
8.3.20.0000.00918.98
8.3.10.0040.00419.02
8.3.00.0040.00419.67
8.2.190.0040.01416.58
8.2.180.0110.01118.04
8.2.170.0090.00922.96
8.2.160.0110.00420.68
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0040.00421.19
8.2.110.0060.00322.34
8.2.100.0080.00817.57
8.2.90.0030.00517.78
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0080.00017.92
8.2.50.0030.00518.07
8.2.40.0040.00418.10
8.2.30.0040.00417.99
8.2.20.0000.00817.98
8.2.10.0040.00417.97
8.2.00.0000.00719.32
8.1.280.0130.00625.92
8.1.270.0000.00823.92
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0000.00922.04
8.1.230.0080.00322.62
8.1.220.0000.00717.74
8.1.210.0050.00318.77
8.1.200.0030.00917.10
8.1.190.0050.00317.22
8.1.180.0000.00818.10
8.1.170.0000.00818.44
8.1.160.0000.00718.68
8.1.150.0040.00418.75
8.1.140.0040.00417.47
8.1.130.0030.00317.33
8.1.120.0070.00017.33
8.1.110.0070.00017.23
8.1.100.0030.00317.33
8.1.90.0040.00417.34
8.1.80.0000.00717.33
8.1.70.0070.00017.34
8.1.60.0030.00517.48
8.1.50.0050.00317.30
8.1.40.0030.00517.36
8.1.30.0030.00717.45
8.1.20.0000.00717.59
8.1.10.0000.00717.46
8.1.00.0080.00017.32
8.0.300.0030.00519.98
8.0.290.0090.00016.63
8.0.280.0080.00018.27
8.0.270.0000.00717.16
8.0.260.0030.00316.70
8.0.250.0000.00716.88
8.0.240.0040.00416.90
8.0.230.0030.00316.79
8.0.220.0030.00316.87
8.0.210.0030.00516.72
8.0.200.0030.00316.86
8.0.190.0040.00416.88
8.0.180.0000.00816.84
8.0.170.0030.00916.78
8.0.160.0000.00716.77
8.0.150.0050.00516.84
8.0.140.0080.00016.80
8.0.130.0060.00013.22
8.0.120.0040.00416.78
8.0.110.0040.00416.71
8.0.100.0050.00316.94
8.0.90.0050.00216.65
8.0.80.0110.00616.79
8.0.70.0040.00416.83
8.0.60.0040.00416.68
8.0.50.0040.00416.94
8.0.30.0100.00917.02
8.0.20.0100.01017.40
8.0.10.0020.00516.73
8.0.00.0070.01216.65
7.4.330.0020.00215.55
7.4.320.0070.00016.46
7.4.300.0000.00616.48
7.4.290.0000.00716.32
7.4.280.0070.00016.37
7.4.270.0040.00416.52
7.4.260.0030.00316.37
7.4.250.0040.00416.32
7.4.240.0000.00716.47
7.4.230.0030.00316.22
7.4.220.0000.00816.30
7.4.210.0060.01016.39
7.4.200.0000.00716.26
7.4.160.0060.01016.33
7.4.140.0090.01017.86
7.4.130.0140.00316.43
7.4.120.0090.01016.38
7.4.110.0090.00916.38
7.4.100.0030.01316.44
7.4.90.0130.00716.47
7.4.80.0170.00319.39
7.4.70.0070.01016.39
7.4.60.0100.01316.32
7.4.50.0060.00916.20
7.4.40.0090.00616.29
7.4.00.0070.00714.66
7.3.330.0000.00512.89
7.3.320.0030.00312.87
7.3.310.0050.00216.16
7.3.300.0040.00416.09
7.3.290.0070.00016.17
7.3.280.0090.00816.15
7.3.260.0150.00516.12
7.3.240.0090.00816.15
7.3.230.0090.00816.43
7.3.210.0100.01216.52
7.3.200.0100.00716.26
7.3.190.0000.01516.19
7.3.180.0070.01116.18
7.3.170.0120.00416.43
7.3.160.0040.01216.38
7.2.330.0090.00916.49
7.2.320.0110.01116.44
7.2.310.0060.01216.47
7.2.300.0090.00916.52
7.2.290.0070.01416.27
7.2.60.4610.01214.69
7.2.50.5270.00714.69
7.2.40.3860.00615.25
7.2.30.1930.00814.75
7.2.20.2930.00815.16
7.2.10.6140.00714.76
7.2.00.6630.00614.77
7.1.200.0060.00315.57
7.1.170.3470.00513.87
7.1.160.6530.01516.46
7.1.150.2860.01016.91
7.1.140.4130.01216.54
7.1.130.6120.00916.42
7.1.120.5130.01216.31
7.1.110.4150.01316.07
7.1.100.5450.01016.30
7.1.91.1650.00915.70
7.1.80.9070.01115.68
7.1.71.1620.01315.26
7.1.61.0430.02032.98
7.1.51.1980.01732.51
7.1.41.2750.01232.48
7.1.30.9670.01332.57
7.1.20.8260.01432.58
7.1.11.0020.00714.63
7.1.00.6660.01414.68

preferences:
60.17 ms | 401 KiB | 5 Q