3v4l.org

run code in 300+ PHP versions simultaneously
<?php $text='Hello. I have two dots. Please replace them!'; echo IHateStrReplace(".","_",$text); function IHateStrReplace($replace_from,$replace_to,$input) { $result=""; for($i=0;$i<strlen($input);$i++) { $result.= $input[$i]; } return $result; }

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)
8.3.60.0070.00718.43
8.3.50.0190.00822.10
8.3.40.0100.00718.71
8.3.30.0150.00019.23
8.3.20.0040.00420.16
8.3.10.0080.00022.13
8.3.00.0060.00322.52
8.2.180.0090.01216.50
8.2.170.0170.00322.96
8.2.160.0070.00722.08
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0070.00026.16
8.2.120.0050.00319.38
8.2.110.0060.00322.07
8.2.100.0040.00817.91
8.2.90.0080.00019.17
8.2.80.0000.00818.05
8.2.70.0090.00017.63
8.2.60.0030.00518.05
8.2.50.0080.00018.07
8.2.40.0000.00718.22
8.2.30.0040.00418.11
8.2.20.0000.00717.60
8.2.10.0080.00019.47
8.2.00.0060.00317.62
8.1.280.0070.01425.92
8.1.270.0040.00421.97
8.1.260.0040.00426.35
8.1.250.0030.00528.09
8.1.240.0060.00323.84
8.1.230.0040.00719.11
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00617.35
8.1.190.0000.00817.40
8.1.180.0070.00318.10
8.1.170.0030.00618.53
8.1.160.0040.00421.96
8.1.150.0030.00518.68
8.1.140.0020.00517.31
8.1.130.0040.00417.70
8.1.120.0000.00717.41
8.1.110.0000.00717.32
8.1.100.0070.00017.43
8.1.90.0050.00217.30
8.1.80.0030.00317.30
8.1.70.0000.00717.34
8.1.60.0000.01117.54
8.1.50.0060.00317.41
8.1.40.0050.00317.47
8.1.30.0040.00417.56
8.1.20.0080.00017.68
8.1.10.0040.00417.59
8.1.00.0000.00817.43
8.0.300.0040.00418.77
8.0.290.0000.00717.18
8.0.280.0000.00718.45
8.0.270.0070.00016.81
8.0.260.0000.00616.78
8.0.250.0070.00016.97
8.0.240.0060.00316.83
8.0.230.0000.00716.91
8.0.220.0030.00316.77
8.0.210.0000.00716.75
8.0.200.0070.00016.88
8.0.190.0050.00216.77
8.0.180.0000.00716.88
8.0.170.0040.00416.77
8.0.160.0040.00416.81
8.0.150.0000.00716.83
8.0.140.0030.00316.68
8.0.130.0020.00513.30
8.0.120.0000.00716.80
8.0.110.0000.00716.86
8.0.100.0040.00416.73
8.0.90.0040.00416.83
8.0.80.0150.00016.90
8.0.70.0000.00816.71
8.0.60.0040.00416.84
8.0.50.0020.00516.79
8.0.30.0070.01617.11
8.0.20.0110.00817.40
8.0.10.0040.00416.76
8.0.00.0100.01116.67
7.4.330.0030.00315.00
7.4.320.0000.00616.57
7.4.300.0040.00416.43
7.4.290.0000.00716.62
7.4.280.0040.00416.56
7.4.270.0000.00716.59
7.4.260.0050.00516.59
7.4.250.0040.00416.56
7.4.240.0020.00516.58
7.4.230.0030.00316.38
7.4.220.0100.00716.45
7.4.210.0070.00716.58
7.4.200.0000.00816.64
7.4.190.0000.00716.46
7.4.160.0150.00016.59
7.4.150.0110.00817.40
7.4.140.0110.01017.86
7.4.130.0140.00516.45
7.4.120.0080.00916.45
7.4.110.0100.00716.35
7.4.100.0060.01116.59
7.4.90.0120.00616.59
7.4.80.0040.01319.39
7.4.70.0100.01316.51
7.4.60.0110.01116.52
7.4.50.0040.00416.46
7.4.40.0030.01022.77
7.4.30.0110.00416.52
7.4.00.0050.00814.83
7.3.330.0000.00513.34
7.3.320.0030.00213.38
7.3.310.0040.00416.24
7.3.300.0030.00316.34
7.3.290.0110.00616.28
7.3.280.0100.00916.35
7.3.270.0160.00917.40
7.3.260.0080.00916.51
7.3.250.0070.01016.31
7.3.240.0180.00016.58
7.3.230.0070.01016.52
7.3.210.0030.01516.50
7.3.200.0130.00319.39
7.3.190.0030.01416.32
7.3.180.0120.00316.43
7.3.170.0130.00316.53
7.3.160.0040.01216.25
7.3.120.0060.00614.83
7.3.00.0030.01316.70
7.2.330.0060.01016.47
7.2.320.0030.01516.47
7.2.310.0070.01016.48
7.2.300.0030.01316.55
7.2.290.0030.01316.56
7.2.130.0030.01216.75
7.2.120.0090.00917.07
7.2.110.0070.00317.03
7.2.100.0080.00817.02
7.2.90.0080.00816.78
7.2.80.0040.00816.63
7.2.70.0110.00416.71
7.2.60.0060.00616.86
7.2.50.0110.00616.88
7.2.40.0070.01016.75
7.2.30.0060.00316.96
7.2.20.0040.00716.79
7.2.10.0090.00916.99
7.2.00.0050.00618.13
7.1.250.0080.00315.72
7.1.240.0060.00615.84
7.1.230.0060.00615.92
7.1.220.0030.01015.82
7.1.210.0030.00915.76
7.1.200.0060.00315.71
7.1.190.0000.01515.80
7.1.180.0000.01515.66
7.1.170.0060.00615.71
7.1.160.0090.00615.50
7.1.150.0120.00615.59
7.1.140.0060.00915.66
7.1.130.0000.00815.81
7.1.120.0080.00515.45
7.1.110.0130.00315.85
7.1.100.0030.00716.93
7.1.90.0000.00915.74
7.1.80.0110.00415.54
7.1.70.0060.00516.37
7.1.60.0060.01317.64
7.1.50.0100.00516.38
7.1.40.0040.00715.88
7.1.30.0040.00715.56
7.1.20.0030.00715.73
7.1.10.0080.00015.66
7.1.00.0050.03918.96
7.0.330.0040.00415.01
7.0.320.0000.01215.37
7.0.310.0070.00715.42
7.0.300.0060.00915.25
7.0.290.0100.00015.19
7.0.280.0070.00715.06
7.0.270.0070.00715.36
7.0.260.0080.00815.18
7.0.250.0070.01015.47
7.0.240.0100.00315.28
7.0.230.0030.00615.52
7.0.220.0080.00415.38
7.0.210.0090.00315.06
7.0.200.0000.00916.01
7.0.190.0050.00315.51
7.0.180.0100.00715.15
7.0.170.0060.00615.20
7.0.160.0050.00315.16
7.0.150.0030.00615.20
7.0.140.0050.03618.66
7.0.130.0040.00415.16
7.0.120.0090.00615.47
7.0.110.0070.00315.49
7.0.100.0070.00715.38
7.0.90.0100.00015.36
7.0.80.0040.01115.41
7.0.70.0090.00915.15
7.0.60.0210.03917.48
7.0.50.0070.03916.68
7.0.40.0100.04616.88
7.0.30.0150.03316.83
7.0.20.0230.02616.94
7.0.10.0020.05416.73
7.0.00.0050.03316.90
5.6.380.0060.00614.55
5.6.370.0110.00014.16
5.6.360.0000.01414.04
5.6.350.0080.00814.57
5.6.340.0100.00714.61
5.6.330.0090.00614.60
5.6.320.0030.01014.50
5.6.310.0090.00013.92
5.6.300.0000.01014.47
5.6.290.0040.00814.47
5.6.280.0040.04017.94
5.6.270.0040.00714.70
5.6.260.0070.00314.37
5.6.250.0030.00714.38
5.6.240.0030.00914.28
5.6.230.0030.01414.28
5.6.220.0030.00814.22
5.6.210.0150.04317.26
5.6.200.0050.02216.24
5.6.190.0100.02617.42
5.6.180.0220.04417.39
5.6.170.0180.02817.42
5.6.160.0070.02417.45
5.6.150.0100.03516.10
5.6.140.0030.04716.27
5.6.130.0020.03816.44
5.6.120.0130.04017.66
5.6.110.0040.03917.58
5.6.100.0030.03017.58
5.6.90.0050.04717.53
5.6.80.0050.04017.40
5.6.70.0060.00314.25
5.6.60.0060.00914.69
5.6.50.0060.00614.61
5.6.40.0090.00614.48
5.6.30.0040.00813.99
5.6.20.0100.00613.93
5.6.10.0030.01014.30
5.6.00.0000.00914.17
5.5.380.0050.00310.70
5.5.370.0050.00310.81
5.5.360.0090.00310.71
5.5.350.0100.03815.56
5.5.340.0050.04514.54
5.5.330.0120.02015.58
5.5.320.1500.02215.67
5.5.310.0150.03415.60
5.5.300.0080.03814.38
5.5.290.0120.03814.68
5.5.280.0000.02816.00
5.5.270.0050.04416.13
5.5.260.0040.02615.86
5.5.250.0050.02215.69
5.5.240.0060.04315.69
5.5.230.0060.00311.14
5.5.220.0040.00910.96
5.5.210.0030.00311.15
5.5.200.0060.00311.00
5.5.190.0080.00010.99
5.5.180.0000.01010.84
5.5.170.0060.00611.27
5.5.160.0060.00011.14
5.5.150.0060.00311.18
5.5.140.0000.01111.26
5.5.130.0030.00610.88
5.5.120.0030.00311.09
5.5.110.0040.00811.25
5.5.100.0040.00411.09
5.5.90.0000.01111.06
5.5.80.0070.00011.32
5.5.70.0070.00211.09
5.5.60.0030.00310.75
5.5.50.0000.00710.98
5.5.40.0030.00510.79
5.5.30.0080.00010.93
5.5.20.0020.00511.05
5.5.10.0060.00311.13
5.5.00.0070.00310.84
5.4.450.0400.03815.29
5.4.440.0400.03115.17
5.4.430.0080.03515.36
5.4.420.0220.03115.21
5.4.410.0420.03515.09
5.4.400.0070.02915.11
5.4.390.0320.03115.03
5.4.380.0080.03315.01
5.4.370.0070.01914.83
5.4.360.0070.01814.78
5.4.350.0030.02511.46
5.4.340.0040.02011.57
5.4.330.0040.00411.30
5.4.320.0020.02411.86
5.4.310.0030.02311.66
5.4.300.0060.02111.77
5.4.290.0060.02211.85
5.4.280.0080.01911.75
5.4.270.0090.02914.68
5.4.260.0130.03215.13
5.4.250.0070.04014.86
5.4.240.0100.03514.94
5.4.230.0050.03614.81
5.4.220.0080.03514.84
5.4.210.0050.03015.11
5.4.200.0050.03115.11
5.4.190.0100.02914.86
5.4.180.0120.02914.82
5.4.170.0090.03614.86
5.4.160.0060.03314.95
5.4.150.0020.03514.95
5.4.140.0090.03713.79
5.4.130.0130.03013.79
5.4.120.0110.02813.83
5.4.110.0060.03613.81
5.4.100.0060.04013.85
5.4.90.0080.03413.54
5.4.80.0100.02413.66
5.4.70.0080.03313.85
5.4.60.0090.03913.72
5.4.50.0140.02213.71
5.4.40.0120.03113.76
5.4.30.0060.03213.75
5.4.20.0110.03513.65
5.4.10.0030.03613.89
5.4.00.0080.03713.41
5.3.290.0040.02411.64
5.3.280.0120.02312.54
5.3.270.0070.04012.57
5.3.260.0060.04012.58
5.3.250.0070.03012.71
5.3.240.0050.03312.63
5.3.230.0070.03612.69
5.3.220.0120.02312.54
5.3.210.0030.03012.53
5.3.200.0040.04412.57
5.3.190.0080.03212.52
5.3.180.0130.03212.61
5.3.170.0070.03512.59
5.3.160.0070.03412.55
5.3.150.0030.03612.57
5.3.140.0150.03212.57
5.3.130.0080.03512.59
5.3.120.0070.04012.55
5.3.110.0050.04412.63
5.3.100.0110.03012.37
5.3.90.0070.03112.47
5.3.80.0050.02812.29
5.3.70.0100.03012.29
5.3.60.0050.02812.31
5.3.50.0030.03812.25
5.3.40.0050.03012.37
5.3.30.0010.03112.29
5.3.20.0080.02612.08
5.3.10.0080.02512.11
5.3.00.0060.03511.98
5.2.170.0090.03010.93
5.2.160.0010.02710.80
5.2.150.0050.03110.82
5.2.140.0070.02810.82
5.2.130.0030.02710.83
5.2.120.0030.02310.90
5.2.110.0070.02110.84
5.2.100.0070.02810.72
5.2.90.0050.03510.83
5.2.80.0100.02110.83
5.2.70.0030.03510.82
5.2.60.0020.02710.76
5.2.50.0030.03510.75
5.2.40.0090.02210.66
5.2.30.0030.03010.76
5.2.20.0050.02210.71
5.2.10.0050.02310.76
5.2.00.0070.02210.60
5.1.60.0060.01810.29
5.1.50.0040.02710.20
5.1.40.0070.03310.33
5.1.30.0050.02610.45
5.1.20.0020.02310.41
5.1.10.0050.01810.40
5.1.00.0050.01710.40
5.0.50.0000.0179.50
5.0.40.0050.0129.48
5.0.30.0010.0259.31
5.0.20.0050.0139.33
5.0.10.0030.0229.35
5.0.00.0030.0289.36
4.4.90.0060.0098.32
4.4.80.0070.0108.32
4.4.70.0060.0118.32
4.4.60.0000.0158.32
4.4.50.0010.0168.32
4.4.40.0070.0178.32
4.4.30.0050.0128.32
4.4.20.0030.0148.32
4.4.10.0070.0128.32
4.4.00.0030.0228.32
4.3.110.0000.0158.32
4.3.100.0050.0118.32
4.3.90.0040.0108.32
4.3.80.0030.0208.32
4.3.70.0020.0138.32
4.3.60.0020.0178.32
4.3.50.0000.0168.32
4.3.40.0000.0198.32
4.3.30.0030.0138.32
4.3.20.0050.0128.32
4.3.10.0020.0128.32
4.3.00.0060.0168.95

preferences:
80.49 ms | 400 KiB | 5 Q