3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = '****'; var_dump( preg_replace('/\*{2,}/', '*', $string) );

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)
8.3.60.0090.01216.62
8.3.50.0110.00721.96
8.3.40.0040.01118.89
8.3.30.0110.00718.82
8.3.20.0070.00020.26
8.3.10.0090.00023.53
8.3.00.0000.00820.77
8.2.180.0040.01118.54
8.2.170.0070.00722.96
8.2.160.0040.01120.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00019.66
8.2.110.0060.00322.20
8.2.100.0080.00417.91
8.2.90.0000.00819.22
8.2.80.0030.00517.97
8.2.70.0030.00617.75
8.2.60.0000.00817.80
8.2.50.0000.00918.07
8.2.40.0080.00218.09
8.2.30.0080.00018.21
8.2.20.0040.00417.65
8.2.10.0040.00417.88
8.2.00.0040.00417.76
8.1.280.0100.01025.92
8.1.270.0060.00323.82
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.99
8.1.230.0080.00319.00
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0000.00817.21
8.1.180.0090.00018.10
8.1.170.0090.00018.62
8.1.160.0040.00421.96
8.1.150.0040.00418.77
8.1.140.0040.00417.44
8.1.130.0030.00317.75
8.1.120.0000.00817.55
8.1.110.0100.00017.43
8.1.100.0030.00417.49
8.1.90.0070.00017.50
8.1.80.0080.00017.45
8.1.70.0040.00417.49
8.1.60.0040.00417.54
8.1.50.0040.00417.50
8.1.40.0030.00517.50
8.1.30.0080.00017.69
8.1.20.0040.00417.68
8.1.10.0000.00717.55
8.1.00.0040.00417.52
8.0.300.0000.00718.77
8.0.290.0040.00417.18
8.0.280.0030.00318.34
8.0.270.0030.00317.11
8.0.260.0060.00017.21
8.0.250.0030.00317.05
8.0.240.0070.00016.92
8.0.230.0050.00216.88
8.0.220.0020.00516.98
8.0.210.0030.00517.00
8.0.200.0000.00716.98
8.0.190.0030.00417.02
8.0.180.0070.00016.87
8.0.170.0030.00516.88
8.0.160.0000.00717.09
8.0.150.0050.00316.91
8.0.140.0000.00816.94
8.0.130.0030.00313.35
8.0.120.0000.00816.93
8.0.110.0000.00716.84
8.0.100.0060.00316.92
8.0.90.0000.00717.00
8.0.80.0070.00716.97
8.0.70.0000.00716.81
8.0.60.0020.00516.95
8.0.50.0000.00817.02
8.0.30.0120.00717.06
8.0.20.0100.00817.40
8.0.10.0040.00417.05
8.0.00.0110.01116.84
7.4.330.0020.00215.10
7.4.320.0030.00316.68
7.4.300.0060.00016.54
7.4.290.0000.00816.74
7.4.280.0000.00816.62
7.4.270.0000.00716.75
7.4.260.0000.00816.61
7.4.250.0000.00716.62
7.4.240.0050.00216.61
7.4.230.0000.00716.52
7.4.220.0100.01016.66
7.4.210.0040.01016.70
7.4.200.0030.00316.69
7.4.190.0040.00416.90
7.4.160.0100.01016.57
7.4.150.0150.00417.40
7.4.140.0110.01117.86
7.4.130.0090.01016.62
7.4.120.0110.00516.67
7.4.110.0070.01016.66
7.4.100.0060.01316.59
7.4.90.0060.01316.55
7.4.80.0070.01119.39
7.4.70.0030.01316.57
7.4.60.0140.00416.68
7.4.50.0030.00316.49
7.4.40.0130.00316.50
7.4.30.0130.00316.51
7.4.00.0100.00615.14
7.3.330.0030.00313.00
7.3.320.0000.00513.11
7.3.310.0000.00716.21
7.3.300.0000.00716.18
7.3.290.0040.01116.26
7.3.280.0120.00616.28
7.3.270.0150.00717.40
7.3.260.0090.00816.24
7.3.250.0080.00916.41
7.3.240.0100.01016.42
7.3.230.0090.00616.39
7.3.210.0090.00916.65
7.3.200.0030.01919.39
7.3.190.0070.01016.27
7.3.180.0090.00616.47
7.3.170.0100.00716.50
7.3.160.0030.01216.36
7.3.120.0000.01314.77
7.3.10.0040.01116.59
7.3.00.0060.00616.70
7.2.330.0100.00716.75
7.2.320.0090.01216.56
7.2.310.0130.01316.70
7.2.300.0170.00016.52
7.2.290.0100.00616.70
7.2.130.0070.00716.72
7.2.120.0060.00916.90
7.2.110.0000.01516.64
7.2.100.0060.00616.89
7.2.90.0110.00716.63
7.2.80.0030.01016.73
7.2.70.0030.00616.82
7.2.60.0050.00816.62
7.2.50.0070.00416.93
7.2.40.0080.00817.05
7.2.30.0060.00917.05
7.2.20.0110.00716.57
7.2.10.0030.00616.98
7.2.00.0050.00818.00
7.1.250.0070.00715.97
7.1.200.0000.01415.84
7.1.100.0040.01318.25
7.1.70.0060.00317.15
7.1.60.0100.01319.46
7.1.50.0140.01017.10
7.1.00.0000.08022.46
7.0.200.0070.00016.83
7.0.140.0000.07722.01
7.0.60.0100.06720.05
7.0.50.0070.05717.83
7.0.40.0030.04720.21
7.0.30.0230.05020.20
7.0.20.0230.07020.19
7.0.10.0070.08020.07
7.0.00.0130.07720.18
5.6.280.0070.06721.05
5.6.210.0100.06720.72
5.6.200.0000.05318.18
5.6.190.0000.08320.39
5.6.180.0030.06020.56
5.6.170.0270.07720.49
5.6.160.0130.06720.38
5.6.150.0100.07318.16
5.6.140.0100.05018.16
5.6.130.0130.08018.07
5.6.120.0100.08320.89
5.6.110.0000.06321.13
5.6.100.0030.05021.13
5.6.90.0030.06020.96
5.6.80.0030.08020.56
5.5.350.0070.08320.40
5.5.340.0070.06717.99
5.5.330.0100.04720.21
5.5.320.0100.05720.13
5.5.310.0270.04720.31
5.5.300.0030.04318.02
5.5.290.0030.04317.96
5.5.280.0070.06720.86
5.5.270.0170.04020.79
5.5.260.0130.06320.78
5.5.250.0030.08720.68
5.5.240.0000.06320.17
5.4.450.0670.04319.44
5.4.440.0400.04019.38
5.4.430.0830.06319.54
5.4.420.0270.06319.41
5.4.410.0830.08019.48
5.4.400.0770.05719.23
5.4.390.0970.07719.21
5.4.380.0230.04318.70
5.4.370.0070.05718.61
5.4.360.0100.05318.57
5.4.350.0170.05018.49
5.4.340.0100.05718.50
5.4.320.0070.03912.45
5.4.310.0050.03812.45
5.4.300.0090.03512.45
5.4.290.0060.04112.45
5.4.280.0060.04712.35
5.4.270.0100.03412.35
5.4.260.0080.03912.34
5.4.250.0060.04312.34
5.4.240.0100.05512.35
5.4.230.0110.04612.34
5.4.220.0100.04712.34
5.4.210.0090.04712.34
5.4.200.0060.04712.34
5.4.190.0060.04612.34
5.4.180.0090.05412.34
5.4.170.0110.05012.35
5.4.160.0100.04412.34
5.4.150.0170.09312.34
5.4.140.0110.04712.02
5.4.130.0080.04712.01
5.4.120.0060.04311.96
5.4.110.0070.04611.96
5.4.100.0100.04111.97
5.4.90.0110.04611.96
5.4.80.0120.04811.96
5.4.70.0090.04911.96
5.4.60.0100.04811.96
5.4.50.0050.05111.96
5.4.40.0060.04211.95
5.4.30.0090.04911.95
5.4.20.0070.04811.95
5.4.10.0070.05011.95
5.4.00.0080.04511.43
5.3.290.0110.04312.80
5.3.280.0100.04812.71
5.3.270.0110.05612.72
5.3.260.0100.05712.72
5.3.250.0130.05412.72
5.3.240.0090.06412.72
5.3.230.0110.06012.71
5.3.220.0100.05812.68
5.3.210.0140.05912.68
5.3.200.0160.04912.68
5.3.190.0140.04912.68
5.3.180.0120.05012.67
5.3.170.0090.05112.66
5.3.160.0090.05112.68
5.3.150.0120.05312.67
5.3.140.0140.04812.66
5.3.130.0140.05112.66
5.3.120.0110.05512.66
5.3.110.0100.05912.66
5.3.100.0090.04612.12
5.3.90.0070.04612.09
5.3.80.0080.05012.08
5.3.70.0100.04912.07
5.3.60.0090.05712.06
5.3.50.0070.05812.00
5.3.40.0050.05712.00
5.3.30.0100.05111.94
5.3.20.0100.04811.71
5.3.10.0110.05411.69
5.3.00.0110.05011.68
5.2.170.0060.0479.18
5.2.160.0060.0409.18
5.2.150.0070.0409.18
5.2.140.0100.0379.18
5.2.130.0050.0419.13
5.2.120.0050.0419.14
5.2.110.0060.0379.14
5.2.100.0110.0409.13
5.2.90.0050.0499.14
5.2.80.0090.0399.13
5.2.70.0080.0389.13
5.2.60.0070.0419.08
5.2.50.0100.0389.05
5.2.40.0050.0399.03
5.2.30.0080.0399.01
5.2.20.0040.0549.00
5.2.10.0060.0388.92
5.2.00.0090.0378.77
5.1.60.0090.0308.06
5.1.50.0070.0328.06
5.1.40.0080.0638.04
5.1.30.0130.0688.39
5.1.20.0110.0418.41
5.1.10.0110.0378.14
5.1.00.0110.0368.14
5.0.50.0100.0306.61
5.0.40.0050.0246.47
5.0.30.0080.0386.29
5.0.20.0080.0306.25
5.0.10.0060.0266.23
5.0.00.0070.0366.22
4.4.90.0040.0234.78
4.4.80.0060.0224.75
4.4.70.0080.0194.75
4.4.60.0050.0224.75
4.4.50.0030.0264.77
4.4.40.0030.0524.71
4.4.30.0060.0234.76
4.4.20.0040.0234.84
4.4.10.0050.0214.85
4.4.00.0070.0394.76
4.3.110.0040.0224.67
4.3.100.0050.0214.67
4.3.90.0040.0204.64
4.3.80.0050.0314.58
4.3.70.0050.0214.63
4.3.60.0030.0214.63
4.3.50.0020.0244.63
4.3.40.0040.0314.54
4.3.30.0050.0233.28
4.3.20.0040.0223.26
4.3.10.0020.0233.22
4.3.00.0100.01311.58

preferences:
40.16 ms | 400 KiB | 5 Q