3v4l.org

run code in 300+ PHP versions simultaneously
<?php function str_replace_word($needle,$replacement,$haystack){ $pattern = "/\b$needle\b/i"; $haystack = preg_replace($pattern, $replacement, $haystack); return $haystack; } print_r(str_replace_word('ann@ibbeck.de','kan',"ann@ibbeck.de,Petermann@ibbeck.de"),true); ?>

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)
8.3.60.0140.00016.63
8.3.50.0070.01122.13
8.3.40.0060.01218.82
8.3.30.0000.01418.96
8.3.20.0060.00320.16
8.3.10.0040.00423.71
8.3.00.0050.00319.38
8.2.180.0100.01018.29
8.2.170.0120.00322.96
8.2.160.0070.00722.13
8.2.150.0020.00524.18
8.2.140.0080.00024.66
8.2.130.0060.00326.16
8.2.120.0000.00822.11
8.2.110.0000.00920.45
8.2.100.0060.00617.91
8.2.90.0040.00419.30
8.2.80.0000.00818.05
8.2.70.0090.00017.75
8.2.60.0060.00318.03
8.2.50.0090.00018.07
8.2.40.0040.00419.88
8.2.30.0040.00418.08
8.2.20.0040.00417.81
8.2.10.0000.00717.96
8.2.00.0080.00017.78
8.1.280.0070.01325.92
8.1.270.0040.00423.97
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0100.00022.24
8.1.230.0040.00722.10
8.1.220.0050.00317.74
8.1.210.0000.00818.77
8.1.200.0030.00617.13
8.1.190.0080.00017.53
8.1.180.0070.00418.10
8.1.170.0050.00318.64
8.1.160.0000.00721.90
8.1.150.0040.00818.63
8.1.140.0060.00317.53
8.1.130.0030.00317.72
8.1.120.0000.00817.44
8.1.110.0040.00417.45
8.1.100.0020.00517.44
8.1.90.0000.00817.50
8.1.80.0040.00417.45
8.1.70.0000.00717.45
8.1.60.0030.00617.62
8.1.50.0080.00017.66
8.1.40.0000.00717.57
8.1.30.0040.00417.80
8.1.20.0040.00417.64
8.1.10.0040.00417.64
8.1.00.0000.00717.63
8.0.300.0000.00820.78
8.0.290.0030.00517.03
8.0.280.0030.00318.37
8.0.270.0030.00317.18
8.0.260.0030.00317.33
8.0.250.0030.00317.07
8.0.240.0000.00717.13
8.0.230.0030.00317.16
8.0.220.0030.00317.08
8.0.210.0030.00317.03
8.0.200.0040.00416.98
8.0.190.0080.00017.08
8.0.180.0080.00016.98
8.0.170.0050.00316.99
8.0.160.0070.00016.89
8.0.150.0040.00417.01
8.0.140.0070.00016.97
8.0.130.0060.00013.39
8.0.120.0040.00416.91
8.0.110.0000.00817.05
8.0.100.0070.00016.93
8.0.90.0000.00716.98
8.0.80.0120.00317.06
8.0.70.0000.00716.90
8.0.60.0040.00417.00
8.0.50.0040.00417.03
8.0.30.0070.01517.12
8.0.20.0140.00817.47
8.0.10.0040.00416.94
8.0.00.0140.00716.92
7.4.330.0050.00015.05
7.4.320.0000.00716.60
7.4.300.0030.00316.70
7.4.290.0050.00516.73
7.4.280.0030.00616.70
7.4.270.0000.00716.71
7.4.260.0070.00016.69
7.4.250.0020.00516.78
7.4.240.0040.00316.73
7.4.230.0070.00016.62
7.4.220.0120.00616.88
7.4.210.0080.00816.77
7.4.200.0040.00416.91
7.4.190.0020.00516.91
7.4.160.0130.00316.71
7.4.150.0060.01217.40
7.4.140.0080.01217.86
7.4.130.0110.00516.58
7.4.120.0130.00516.73
7.4.110.0120.00616.59
7.4.100.0060.01116.58
7.4.90.0100.00716.88
7.4.80.0090.01219.39
7.4.70.0030.01316.59
7.4.60.0080.00816.55
7.4.50.0040.00416.59
7.4.40.0070.01016.68
7.4.30.0060.00916.66
7.4.00.0030.01215.09
7.3.330.0030.00313.27
7.3.320.0030.00313.46
7.3.310.0020.00516.24
7.3.300.0000.00716.40
7.3.290.0100.01016.43
7.3.280.0070.01016.43
7.3.270.0070.01317.40
7.3.260.0140.00316.83
7.3.250.0110.00616.62
7.3.240.0030.01316.52
7.3.230.0070.01016.44
7.3.210.0080.00816.65
7.3.200.0110.00819.39
7.3.190.0120.00616.71
7.3.180.0160.00016.53
7.3.170.0130.00316.43
7.3.160.0030.01316.49
7.3.120.0000.01514.82
7.2.330.0160.00316.93
7.2.320.0120.01016.82
7.2.310.0120.00416.82
7.2.300.0000.01616.59
7.2.290.0130.01016.77
7.2.00.0070.00719.32
7.1.100.0030.00718.56
7.1.70.0030.00717.57
7.1.60.0030.01719.46
7.1.50.0070.01417.18
7.1.00.0070.07322.33
7.0.200.0040.01116.93
7.0.140.0070.07022.00
7.0.60.0030.03021.81
7.0.50.0170.04017.89
7.0.40.0030.07720.11
7.0.30.0230.05020.35
7.0.20.0230.08020.24
7.0.10.0070.04320.10
7.0.00.0070.08720.25
5.6.280.0170.06021.07
5.6.210.0100.07720.46
5.6.200.0070.03718.19
5.6.190.0070.05720.59
5.6.180.0200.04020.41
5.6.170.0300.05020.54
5.6.160.0070.08020.46
5.6.150.0100.04018.32
5.6.140.0100.06718.27
5.6.130.0100.08318.18
5.6.120.0070.08321.15
5.6.110.0130.08021.12
5.6.100.0170.06720.98
5.6.90.0100.07720.89
5.6.80.0100.06320.41
5.5.350.0230.07020.39
5.5.340.0100.08018.09
5.5.330.0070.04320.27
5.5.320.0430.05720.34
5.5.310.0270.06320.30
5.5.300.0030.04718.01
5.5.290.0130.05717.98
5.5.280.0000.08020.66
5.5.270.0070.08320.87
5.5.260.0070.04720.84
5.5.250.0130.08020.54
5.5.240.0330.07020.15
5.4.450.0300.06019.48
5.4.440.0830.05319.59
5.4.430.0170.04719.58
5.4.420.0630.00019.42
5.4.410.0100.05718.91
5.4.400.0230.05718.54
5.4.390.0170.06018.82
5.4.380.0170.06018.63
5.4.370.0270.04018.69
5.4.360.0070.03718.75
5.4.350.0090.04012.02
5.4.340.0070.03612.01
5.4.320.0060.03512.50
5.4.310.0050.04812.50
5.4.300.0090.04012.50
5.4.290.0060.04512.50
5.4.280.0080.04112.39
5.4.270.0040.03712.39
5.4.260.0040.03912.39
5.4.250.0090.03412.40
5.4.240.0070.05312.39
5.4.230.0080.03612.39
5.4.220.0080.03412.38
5.4.210.0070.03512.39
5.4.200.0070.03712.39
5.4.190.0070.03712.39
5.4.180.0050.03812.38
5.4.170.0090.04012.39
5.4.160.0040.05512.39
5.4.150.0080.04112.38
5.4.140.0050.04112.07
5.4.130.0090.03412.05
5.4.120.0150.04312.01
5.4.110.0070.04212.01
5.4.100.0130.04612.01
5.4.90.0100.03612.01
5.4.80.0030.04912.01
5.4.70.0070.03612.00
5.4.60.0060.03812.01
5.4.50.0110.03012.00
5.4.40.0080.03411.99
5.4.30.0070.03511.99
5.4.20.0060.04811.99
5.4.10.0020.05011.99
5.4.00.0030.04011.48
5.3.290.0070.03912.80
5.3.280.0040.04212.71
5.3.270.0060.03912.72
5.3.260.0070.03912.72
5.3.250.0100.05212.72
5.3.240.0080.03812.72
5.3.230.0060.03812.71
5.3.220.0060.04212.68
5.3.210.0090.03912.68
5.3.200.0120.05412.68
5.3.190.0070.05212.68
5.3.180.0080.03712.67
5.3.170.0100.04212.67
5.3.160.0050.04512.68
5.3.150.0060.05112.68
5.3.140.0040.04012.66
5.3.130.0060.03912.66
5.3.120.0070.05512.66
5.3.110.0090.05412.66
5.3.100.0060.04512.14
5.3.90.0070.04012.12
5.3.80.0130.04412.11
5.3.70.0120.04512.11
5.3.60.0070.05212.09
5.3.50.0120.05712.04
5.3.40.0090.05812.04
5.3.30.0080.04911.99
5.3.20.0100.05311.77
5.3.10.0100.04111.75
5.3.00.0040.05411.73
5.2.170.0050.0319.23
5.2.160.0080.0389.23
5.2.150.0050.0319.23
5.2.140.0030.0349.23
5.2.130.0040.0319.19
5.2.120.0030.0309.19
5.2.110.0070.0279.20
5.2.100.0050.0289.18
5.2.90.0060.0299.18
5.2.80.0060.0319.18
5.2.70.0080.0359.18
5.2.60.0070.0409.14
5.2.50.0080.0389.11
5.2.40.0090.0379.09
5.2.30.0050.0339.06
5.2.20.0020.0429.05
5.2.10.0050.0338.94
5.2.00.0050.0298.81
5.1.60.0060.0228.09
5.1.50.0050.0248.09
5.1.40.0050.0248.06
5.1.30.0040.0268.42
5.1.20.0050.0268.44
5.1.10.0050.0338.17
5.1.00.0040.0268.16
5.0.50.0020.0226.64
5.0.40.0030.0206.50
5.0.30.0050.0346.31
5.0.20.0030.0266.28
5.0.10.0030.0206.26
5.0.00.0050.0296.25
4.4.90.0040.0154.78
4.4.80.0040.0144.75
4.4.70.0030.0164.75
4.4.60.0040.0144.75
4.4.50.0050.0134.77
4.4.40.0020.0264.71
4.4.30.0030.0144.76
4.4.20.0030.0154.84
4.4.10.0050.0134.85
4.4.00.0030.0244.75
4.3.110.0000.0184.67
4.3.100.0020.0154.66
4.3.90.0010.0174.63
4.3.80.0080.0314.59
4.3.70.0010.0184.63
4.3.60.0020.0214.63
4.3.50.0040.0154.63
4.3.40.0020.0254.54
4.3.30.0010.0173.30
4.3.20.0020.0153.28
4.3.10.0010.0163.24
4.3.00.0030.0276.48

preferences:
45.09 ms | 401 KiB | 5 Q