3v4l.org

run code in 300+ PHP versions simultaneously
<?php echo substr_replace ( 'Bonjour je suis une chaine :)' , 'REMPLACEMENT' , ( strlen('Bonjour je suis une chaine :)') - strlen('REMPLACEMENT') ) / 2);

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)
8.3.60.0070.00718.68
8.3.50.0250.00721.08
8.3.40.0080.00618.80
8.3.30.0140.00020.21
8.3.20.0040.00420.04
8.3.10.0000.00822.00
8.3.00.0140.00022.43
8.2.180.0190.00616.63
8.2.170.0130.00622.96
8.2.160.0040.01122.29
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0050.00220.69
8.2.110.0090.00022.13
8.2.100.0120.00017.59
8.2.90.0000.00819.04
8.2.80.0040.00419.40
8.2.70.0000.00917.50
8.2.60.0050.00317.80
8.2.50.0040.00418.07
8.2.40.0070.00518.03
8.2.30.0040.00419.52
8.2.20.0040.00417.58
8.2.10.0050.00317.59
8.2.00.0050.00317.49
8.1.280.0110.00425.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0040.00423.96
8.1.230.0110.00019.12
8.1.220.0000.00817.74
8.1.210.0000.00918.77
8.1.200.0060.00317.10
8.1.190.0040.00417.27
8.1.180.0000.00918.10
8.1.170.0000.00818.52
8.1.160.0030.00718.61
8.1.150.0050.00318.50
8.1.140.0050.00317.27
8.1.130.0050.00317.76
8.1.120.0040.00417.22
8.1.110.0040.00417.33
8.1.100.0040.00417.19
8.1.90.0040.00417.34
8.1.80.0050.00317.33
8.1.70.0000.00717.21
8.1.60.0080.00417.32
8.1.50.0000.00817.25
8.1.40.0040.00417.38
8.1.30.0060.00317.50
8.1.20.0040.00417.50
8.1.10.0030.00617.46
8.1.00.0000.00717.26
8.0.300.0000.00718.77
8.0.290.0050.00217.04
8.0.280.0000.00818.36
8.0.270.0070.00017.19
8.0.260.0030.00316.61
8.0.250.0030.00316.86
8.0.240.0030.00616.89
8.0.230.0050.00316.83
8.0.220.0000.00816.79
8.0.210.0000.00716.79
8.0.200.0040.00416.80
8.0.190.0000.00716.77
8.0.180.0040.00416.73
8.0.170.0030.00416.68
8.0.160.0030.00316.73
8.0.150.0000.00716.61
8.0.140.0070.00016.61
8.0.130.0050.00013.19
8.0.120.0000.00716.63
8.0.110.0070.00016.72
8.0.100.0000.00716.75
8.0.90.0070.00016.68
8.0.80.0100.00916.79
8.0.70.0000.00716.79
8.0.60.0040.00416.59
8.0.50.0040.00416.64
8.0.30.0120.00616.89
8.0.20.0110.00717.40
8.0.10.0080.00016.87
8.0.00.0060.01316.63
7.4.330.0000.00515.00
7.4.320.0070.00016.48
7.4.300.0070.00016.37
7.4.290.0000.00616.43
7.4.280.0000.00816.39
7.4.270.0000.00616.37
7.4.260.0000.00513.11
7.4.250.0000.00716.24
7.4.240.0010.00616.35
7.4.230.0030.00316.16
7.4.220.0000.01816.40
7.4.210.0060.00916.39
7.4.200.0030.00316.24
7.4.190.0040.00416.60
7.4.160.0080.01516.31
7.4.150.0090.00917.40
7.4.140.0130.00317.86
7.4.130.0050.01316.44
7.4.120.0080.00916.24
7.4.110.0030.01416.22
7.4.100.0090.00916.41
7.4.90.0090.00916.27
7.4.80.0150.01119.39
7.4.70.0120.00916.38
7.4.60.0080.00816.47
7.4.50.0000.00816.19
7.4.40.0070.00522.77
7.4.30.0100.00616.11
7.4.00.0080.00914.91
7.3.330.0050.00012.96
7.3.320.0020.00213.03
7.3.310.0030.00316.16
7.3.300.0060.00016.05
7.3.290.0080.00616.15
7.3.280.0080.01016.09
7.3.270.0120.00617.40
7.3.260.0100.00716.40
7.3.250.0070.01116.46
7.3.240.0040.01216.48
7.3.230.0100.00716.43
7.3.210.0140.00316.45
7.3.200.0180.00019.39
7.3.190.0120.00616.20
7.3.180.0080.00816.28
7.3.170.0100.00716.27
7.3.160.0100.00716.35
7.3.120.0080.00514.46
7.3.110.0060.01314.36
7.3.100.0150.00014.23
7.3.90.0070.00714.63
7.3.80.0040.01114.55
7.3.70.0040.00414.47
7.3.60.0090.00014.66
7.3.50.0040.00714.45
7.3.40.0030.01014.73
7.3.30.0030.00614.68
7.3.20.0030.00616.55
7.3.10.0080.00016.51
7.3.00.0120.00316.48
7.2.330.0210.00016.29
7.2.320.0130.00316.45
7.2.310.0060.01616.31
7.2.300.0060.00916.33
7.2.290.0050.01416.57
7.2.250.0090.00615.03
7.2.240.0080.00815.02
7.2.230.0030.00614.66
7.2.220.0000.01415.02
7.2.210.0060.00914.97
7.2.200.0090.00314.74
7.2.190.0040.01414.78
7.2.180.0060.00314.71
7.2.170.0000.01414.86
7.2.60.0030.00616.66
7.1.330.0030.01015.86
7.1.320.0000.01615.76
7.1.310.0070.00715.61
7.1.300.0040.01115.73
7.1.290.0030.00615.54
7.1.280.0040.00415.71
7.1.270.0030.01015.66
7.1.260.0090.00615.55
7.1.200.0090.00315.67
7.1.70.0000.01117.04
7.1.60.0070.01019.21
7.1.50.0160.00616.82
7.1.00.0000.06022.47
7.0.200.0350.00414.77
7.0.140.0000.07721.90
7.0.60.0030.08319.94
7.0.50.0100.08017.66
7.0.40.0000.05019.97
7.0.30.0330.07320.34
7.0.20.0370.07020.02
7.0.10.0070.04020.03
7.0.00.0170.08020.01
5.6.280.0070.07021.11
5.6.210.0100.07020.72
5.6.200.0030.08318.21
5.6.190.0030.08720.36
5.6.180.0200.04020.56
5.6.170.0330.04720.71
5.6.160.0130.08320.49
5.6.150.0070.08018.22
5.6.140.0200.07018.21
5.6.130.0030.08318.12
5.6.120.0070.05020.98
5.6.110.0130.08020.93
5.6.100.0370.06321.00
5.6.90.0130.07321.00
5.6.80.0130.07320.38
5.5.350.4330.03720.32
5.5.340.0100.08017.92
5.5.330.0030.04320.15
5.5.320.0330.07320.28
5.5.310.0370.07320.29
5.5.300.0000.04017.88
5.5.290.0030.08717.91
5.5.280.0330.07020.84
5.5.270.0100.05320.83
5.5.260.0030.09020.86
5.5.250.0030.08720.58
5.5.240.0300.06020.22
5.4.450.0300.04019.57
5.4.440.0400.03019.40
5.4.430.0330.04019.37
5.4.420.0370.03019.40
5.4.410.0370.03019.44
5.4.400.0330.03319.09
5.4.390.0300.04319.07
5.4.380.0330.03718.93
5.4.370.0370.03719.08
5.4.360.0330.04019.04
5.4.350.0270.04719.23
5.4.340.0300.03718.80
5.4.320.0330.04018.80
5.4.310.0270.04018.88
5.4.300.0370.04019.13
5.4.290.0370.03019.15
5.4.280.0300.04019.07
5.4.270.0330.03319.20
5.4.260.0330.03319.12
5.4.250.0370.03319.23
5.4.240.0300.04018.93
5.4.230.0370.03718.79
5.4.220.0330.03318.92
5.4.210.0370.03719.19
5.4.200.0300.04319.07
5.4.190.0330.04019.13
5.4.180.0400.03018.92
5.4.170.0230.04319.09
5.4.160.0530.02719.05
5.4.150.0270.04018.86
5.4.140.0300.04716.23
5.4.130.0330.03016.44
5.4.120.0400.03016.21
5.4.110.0370.02716.29
5.4.100.0330.03316.38
5.4.90.0330.03016.38
5.4.80.0300.03316.46
5.4.70.0300.03716.42
5.4.60.0330.03316.04
5.4.50.0330.03016.46
5.4.40.0370.03016.44
5.4.30.0330.04016.27
5.4.20.0300.03716.41
5.4.10.0270.03716.44
5.4.00.0330.03315.78
5.3.290.0370.03014.61
5.3.280.0300.03714.53
5.3.270.0430.03714.44
5.3.260.0300.03714.45
5.3.250.0300.07014.55
5.3.240.0470.03314.55
5.3.230.0370.03714.43
5.3.220.0370.05714.42
5.3.210.0470.06314.41
5.3.200.0430.07314.42
5.3.190.0470.06714.39
5.3.180.0430.06014.50
5.3.170.0430.04714.43
5.3.160.0430.03014.52
5.3.150.0470.06314.50
5.3.140.0370.03714.48
5.3.130.0400.04314.39
5.3.120.0400.04314.38
5.3.110.0430.04314.39
5.3.100.0470.05013.90
5.3.90.0430.04313.86
5.3.80.0430.05313.86
5.3.70.0470.06013.80
5.3.60.0470.04013.80
5.3.50.0430.06013.74
5.3.40.0370.06313.99
5.3.30.0430.06013.74
5.3.20.0470.05713.78
5.3.10.0470.03713.53
5.3.00.0430.04013.68
5.2.170.0370.03712.20
5.2.160.0370.05312.20
5.2.150.0400.03712.20
5.2.140.0330.02712.20
5.2.130.0330.02312.20
5.2.120.0400.02712.20
5.2.110.0400.02712.20
5.2.100.0230.03712.20
5.2.90.0300.05012.20
5.2.80.0230.04312.20
5.2.70.0370.05312.20
5.2.60.0300.05712.20
5.2.50.0300.06012.20
5.2.40.0300.03012.20
5.2.30.0300.05312.20
5.2.20.0230.03712.20
5.2.10.0270.03312.20
5.2.00.0270.04712.20
5.1.60.0170.03012.20
5.1.50.0230.02312.20
5.1.40.0170.03312.20
5.1.30.0200.04312.20
5.1.20.0300.04712.20
5.1.10.0200.03312.20
5.1.00.0300.01712.20
5.0.50.0100.02312.20
5.0.40.0130.02012.20
5.0.30.0130.03712.20
5.0.20.0100.02012.20
5.0.10.0100.04012.20
5.0.00.0130.04712.20
4.4.90.0070.02012.20
4.4.80.0130.03712.20
4.4.70.0100.02012.20
4.4.60.0100.02012.20
4.4.50.0170.02012.20
4.4.40.0130.02712.20
4.4.30.0170.03312.20
4.4.20.0170.03312.20
4.4.10.0170.02712.20
4.4.00.0230.04712.20
4.3.110.0170.02012.20
4.3.100.0170.03312.20
4.3.90.0200.02012.20
4.3.80.0200.02312.20
4.3.70.0170.03012.20
4.3.60.0170.02712.20
4.3.50.0170.02712.20
4.3.40.0170.03712.20
4.3.30.0100.02712.20
4.3.20.0130.01712.20
4.3.10.0100.02012.20
4.3.00.0070.01712.20

preferences:
36.53 ms | 401 KiB | 5 Q