3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = "miauw\xe1\x8e\xa3"; $result = preg_replace('/./uD', '', $string, -1, $count); var_dump( $string, $result, $count );

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)
8.3.60.0170.00318.43
8.3.50.0050.01321.15
8.3.40.0060.00918.67
8.3.30.0040.01120.34
8.3.20.0040.00420.34
8.3.10.0120.00621.96
8.3.00.0040.00422.51
8.2.180.0070.01116.75
8.2.170.0070.01122.96
8.2.160.0110.00418.86
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0000.00726.16
8.2.120.0060.00921.08
8.2.110.0030.00620.35
8.2.100.0040.00717.91
8.2.90.0020.00519.05
8.2.80.0040.00419.21
8.2.70.0040.00417.63
8.2.60.0030.00517.91
8.2.50.0080.00418.07
8.2.40.0060.00619.99
8.2.30.0050.00219.37
8.2.20.0040.00417.79
8.2.10.0040.00417.96
8.2.00.0000.00817.88
8.1.280.0140.00025.92
8.1.270.0040.00423.99
8.1.260.0140.00326.35
8.1.250.0060.00928.09
8.1.240.0060.00622.00
8.1.230.0030.00920.97
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0040.00417.13
8.1.190.0050.00317.41
8.1.180.0080.00018.10
8.1.170.0080.00018.79
8.1.160.0000.00718.84
8.1.150.0000.00818.75
8.1.140.0030.00517.53
8.1.130.0030.00317.84
8.1.120.0000.00717.53
8.1.110.0040.00417.42
8.1.100.0000.00817.54
8.1.90.0040.00417.52
8.1.80.0040.00417.55
8.1.70.0070.00017.42
8.1.60.0040.00417.64
8.1.50.0040.00417.44
8.1.40.0030.00617.61
8.1.30.0000.00717.63
8.1.20.0000.00817.63
8.1.10.0040.00417.61
8.1.00.0100.00017.55
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0070.00018.32
8.0.270.0040.00417.20
8.0.260.0040.00416.95
8.0.250.0030.00317.06
8.0.240.0030.00517.07
8.0.230.0020.00517.13
8.0.220.0030.00317.04
8.0.210.0040.00417.04
8.0.200.0080.00016.97
8.0.190.0070.00316.99
8.0.180.0040.00417.01
8.0.170.0080.00017.03
8.0.160.0030.00316.95
8.0.150.0070.00017.09
8.0.140.0000.00816.99
8.0.130.0050.00013.49
8.0.120.0040.00417.02
8.0.110.0000.00717.06
8.0.100.0040.00416.91
8.0.90.0040.00417.02
8.0.80.0100.00717.02
8.0.70.0000.00717.00
8.0.60.0000.00716.91
8.0.50.0070.00016.88
8.0.30.0110.00917.10
8.0.20.0080.01017.40
8.0.10.0000.00817.07
8.0.00.0090.00916.75
7.4.330.0000.00515.00
7.4.320.0030.00316.68
7.4.300.0030.00316.65
7.4.290.0000.00716.72
7.4.280.0020.00516.68
7.4.270.0000.00716.75
7.4.260.0050.00013.39
7.4.250.0000.00816.70
7.4.240.0050.00216.64
7.4.230.0000.00716.82
7.4.220.0120.00916.70
7.4.210.0100.00516.81
7.4.200.0000.00716.62
7.4.190.0040.00416.75
7.4.160.0180.00016.83
7.4.150.0100.00717.40
7.4.140.0130.00717.86
7.4.130.0090.00816.64
7.4.120.0080.01016.50
7.4.110.0090.00916.56
7.4.100.0070.01016.55
7.4.90.0130.00316.59
7.4.80.0170.00419.39
7.4.70.0110.01116.48
7.4.60.0030.01316.56
7.4.50.0040.00416.56
7.4.40.0060.00922.77
7.4.30.0060.01316.75
7.4.00.0090.00615.25
7.3.330.0030.00313.21
7.3.320.0030.00313.07
7.3.310.0040.00416.49
7.3.300.0070.00016.36
7.3.290.0070.00716.38
7.3.280.0100.00516.32
7.3.270.0090.00917.40
7.3.260.0100.00716.30
7.3.250.0100.01116.63
7.3.240.0110.00816.26
7.3.230.0130.00616.60
7.3.210.0040.01216.48
7.3.200.0090.00919.39
7.3.190.0160.00716.58
7.3.180.0070.01316.59
7.3.170.0080.00816.30
7.3.160.0130.00716.40
7.3.120.0100.00714.50
7.3.10.0100.00516.75
7.3.00.0100.00916.38
7.2.330.0120.00616.80
7.2.320.0100.01316.80
7.2.310.0060.01716.68
7.2.300.0060.01516.68
7.2.290.0030.01316.54
7.2.130.0110.01016.75
7.2.120.0060.00916.75
7.2.110.0050.00816.73
7.2.100.0070.00816.82
7.2.90.0090.00816.83
7.2.80.0110.00616.81
7.2.70.0080.00816.80
7.2.60.0060.00916.84
7.2.50.0120.00716.85
7.2.40.0080.00716.87
7.2.30.0050.01016.88
7.2.20.0070.00516.72
7.2.10.0070.01316.78
7.2.00.0080.00617.56
7.1.250.0050.01015.62
7.1.240.0020.01115.88
7.1.230.0080.00215.72
7.1.220.0080.00715.78
7.1.210.0070.00515.81
7.1.200.0050.00615.92
7.1.190.0030.01115.88
7.1.180.0090.00615.88
7.1.170.0060.00615.77
7.1.160.0080.00315.76
7.1.150.0050.01015.84
7.1.140.0070.00615.96
7.1.130.0060.00515.61
7.1.120.0080.00515.88
7.1.110.0030.00715.88
7.1.100.0040.00616.63
7.1.90.0070.00515.91
7.1.80.0030.00915.81
7.1.70.0040.00616.25
7.1.60.0040.00916.99
7.1.50.0050.00416.26
7.1.40.0030.00715.91
7.1.30.0050.00515.87
7.1.20.0040.00915.93
7.1.10.0030.01215.75
7.1.00.0050.01518.03
7.0.330.0060.00815.56
7.0.320.0020.01015.44
7.0.310.0080.00415.43
7.0.300.0020.01215.50
7.0.290.0060.00515.60
7.0.280.0040.00715.30
7.0.270.0070.00315.33
7.0.260.0060.00615.53
7.0.250.0040.00915.54
7.0.240.0030.00815.70
7.0.230.0020.01015.56
7.0.220.0030.00515.35
7.0.210.0090.00115.46
7.0.200.0050.00616.06
7.0.190.0060.00615.52
7.0.180.0040.00615.41
7.0.170.0040.00615.43
7.0.160.0080.00415.42
7.0.150.0030.00815.33
7.0.140.0070.02817.75
7.0.130.0050.00515.53
7.0.120.0040.00615.54
7.0.110.0030.00815.52
7.0.100.0050.01716.92
7.0.90.0110.01817.00
7.0.80.0060.02417.00
7.0.70.0070.03116.89
7.0.60.0070.02916.92
7.0.50.0110.03217.15
7.0.40.0080.02115.83
7.0.30.0060.01615.79
7.0.20.0030.02215.66
7.0.10.0040.01915.76
7.0.00.0060.01715.63
5.6.380.0040.00914.18
5.6.370.0050.00914.27
5.6.360.0090.00514.31
5.6.350.0040.00713.96
5.6.340.0040.00714.26
5.6.330.0070.00514.04
5.6.320.0080.00314.32
5.6.310.0050.00914.34
5.6.300.0040.00714.29
5.6.290.0080.00314.16
5.6.280.0060.00414.19
5.6.270.0040.00814.18
5.6.260.0030.00914.07
5.6.250.0040.03216.42
5.6.240.0020.02516.42
5.6.230.0070.01916.36
5.6.220.0040.02916.35
5.6.210.0090.02816.39
5.6.200.0040.02316.48
5.6.190.0010.03116.39
5.6.180.0050.02416.64
5.6.170.0070.03516.62
5.6.160.0050.01716.61
5.6.150.0060.01716.45
5.6.140.0070.01716.49
5.6.130.0010.02116.40
5.6.120.0050.01816.42
5.6.110.0030.02016.58
5.6.100.0050.02016.41
5.6.90.0070.01616.60
5.6.80.0040.01816.31
5.6.70.0030.01816.18
5.6.60.0050.01916.32
5.6.50.0060.01416.20
5.6.40.0020.02016.31
5.6.30.0050.01716.09
5.6.20.0010.02016.38
5.6.10.0060.01516.29
5.6.00.0040.01616.24
5.5.380.0020.01914.21
5.5.370.0030.02614.20
5.5.360.0020.01814.14
5.5.350.0060.02414.24
5.5.340.0030.02514.25
5.5.330.0080.02614.20
5.5.320.0050.02814.25
5.5.310.0030.01714.42
5.5.300.0040.01714.29
5.5.290.0080.01414.40
5.5.280.0080.02014.34
5.5.270.0040.01914.39
5.5.260.0010.01914.38
5.5.250.0060.01614.19
5.5.240.0050.01414.13
5.5.230.0020.01614.10
5.5.220.0070.01514.06
5.5.210.0040.01814.03
5.5.200.0050.01614.02
5.5.190.0080.01613.96
5.5.180.0040.01714.12
5.5.170.0000.00911.01
5.5.160.0040.01514.10
5.5.150.0040.01714.12
5.5.140.0050.01414.03
5.5.130.0010.01914.16
5.5.120.0050.01713.98
5.5.110.0050.01514.13
5.5.100.0030.01714.09
5.5.90.0020.01814.13
5.5.80.0030.01714.07
5.5.70.0080.01214.05
5.5.60.0050.01614.01
5.5.50.0040.01614.04
5.5.40.0000.01714.06
5.5.30.0040.01914.06
5.5.20.0020.02214.03
5.5.10.0060.01814.07
5.5.00.0020.01914.09
5.4.450.0060.01413.76
5.4.440.0050.01513.81
5.4.430.0020.01613.72
5.4.420.0010.02013.72
5.4.410.0020.01513.77
5.4.400.0050.01413.68
5.4.390.0030.01513.80
5.4.380.0050.01513.68
5.4.370.0060.01213.71
5.4.360.0050.01613.73
5.4.350.0020.01713.60
5.4.340.0050.01813.72
5.4.330.0000.01211.09
5.4.320.0040.01513.75
5.4.310.0020.01713.63
5.4.300.0020.01713.67
5.4.290.0000.01913.74
5.4.280.0050.01513.70
5.4.270.0020.01513.63
5.4.260.0020.01313.62
5.4.250.0050.01313.70
5.4.240.0030.01613.58
5.4.230.0040.01213.58
5.4.220.0030.01613.67
5.4.210.0020.01713.81
5.4.200.0040.01413.79
5.4.190.0050.01613.66
5.4.180.0070.01213.71
5.4.170.0030.01513.65
5.4.160.0050.01913.54
5.4.150.0040.01513.71
5.4.140.0040.01912.79
5.4.130.0040.02712.77
5.4.120.0050.02112.80
5.4.110.0100.02312.80
5.4.100.0040.01712.63
5.4.90.0030.01612.79
5.4.80.0050.02712.72
5.4.70.0040.01412.64
5.4.60.0080.02512.67
5.4.50.0050.03012.72
5.4.40.0060.02612.85
5.4.30.0020.01812.76
5.4.20.0050.01512.75
5.4.10.0050.02312.86
5.4.00.0060.01912.65
5.3.290.0020.01612.09
5.3.280.0040.01512.01
5.3.270.0030.01712.06
5.3.260.0040.01712.05
5.3.250.0050.01412.00
5.3.240.0080.02411.97
5.3.230.0040.02712.04
5.3.220.0040.02312.01
5.3.210.0060.02812.01
5.3.200.0030.02212.02
5.3.190.0030.01811.96
5.3.180.0020.02912.07
5.3.170.0040.02312.01
5.3.160.0060.01812.07
5.3.150.0070.02611.99
5.3.140.0050.02612.09
5.3.130.0000.02412.03
5.3.120.0030.02412.05
5.3.110.0010.02011.99
5.3.100.0020.03211.82
5.3.90.0070.01211.82
5.3.80.0050.02911.78
5.3.70.0040.02411.83
5.3.60.0030.01711.87
5.3.50.0040.01911.73
5.3.40.0040.02311.76
5.3.30.0020.02811.74
5.3.20.0030.01711.70
5.3.10.0040.01811.57
5.3.00.0040.02211.62
5.2.170.0060.01710.92
5.2.160.0010.01410.98
5.2.150.0040.02110.92
5.2.140.0020.02010.96
5.2.130.0010.02010.94
5.2.120.0070.01810.97
5.2.110.0050.01710.96
5.2.100.0020.02010.97
5.2.90.0030.01310.92
5.2.80.0040.02410.84
5.2.70.0040.02810.86
5.2.60.0070.02010.89
5.2.50.0030.02410.95
5.2.40.0060.01810.93
5.2.30.0060.01510.90
5.2.20.0020.01310.83
5.2.10.0040.01110.86
5.2.00.0060.02410.86
5.1.60.0010.01410.64
5.1.50.0030.02110.60
5.1.40.0030.01010.65
5.1.30.0020.01410.68
5.1.20.0080.00910.68
5.1.10.0030.00910.69
5.1.00.0010.01210.60
5.0.50.0020.00910.60
5.0.40.0030.01410.60
5.0.30.0020.01710.60
5.0.20.0040.00710.60
5.0.10.0040.00610.60
5.0.00.0000.01410.60
4.4.90.0010.01110.60
4.4.80.0000.01010.60
4.4.70.0010.01410.60
4.4.60.0010.01210.60
4.4.50.0030.01310.60
4.4.40.0010.02110.60
4.4.30.0020.01510.60
4.4.20.0010.00810.60
4.4.10.0020.00910.60
4.4.00.0000.02010.60
4.3.110.0030.01210.60
4.3.100.0020.00810.60
4.3.90.0010.00910.60
4.3.80.0010.01810.60
4.3.70.0020.00610.60
4.3.60.0020.01110.60
4.3.50.0010.00910.60
4.3.40.0020.00910.60
4.3.30.0020.01510.60
4.3.20.0020.00710.60
4.3.10.0030.00710.60
4.3.00.0030.00610.60

preferences:
47.25 ms | 401 KiB | 5 Q