3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 10000; $string = 'sdfhksdhfsdfhjskfhsdfhs_kshfksdhfksdhfsjkd_kjsdfhksdfhjsdfhsdj_jsdfhkshfj'; for ($i = 0; $i < $count; $i++) { $stringReplace = preg_replace('_', ' ', $string); } echo $string.PHP_EOL; echo $stringReplace;

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)
8.3.60.0120.00318.31
8.3.50.0040.01516.25
8.3.40.0120.00318.73
8.3.30.0110.00418.96
8.3.20.0070.00020.34
8.3.10.0080.00020.44
8.3.00.0030.00519.25
8.2.180.0060.00916.37
8.2.170.0110.00722.96
8.2.160.0080.00520.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00422.19
8.2.110.0090.00020.53
8.2.100.0130.00019.45
8.2.90.0080.00017.63
8.2.80.0040.00418.61
8.2.70.0030.00517.50
8.2.60.0040.00417.63
8.2.50.0000.00818.05
8.2.40.0000.00819.94
8.2.30.0040.00418.13
8.2.20.0000.00817.62
8.2.10.0000.00818.05
8.2.00.0030.00517.75
8.1.270.0080.00023.73
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0070.00323.98
8.1.230.0040.00822.73
8.1.220.0070.00017.74
8.1.210.0000.00718.77
8.1.200.0050.00317.22
8.1.190.0050.00317.23
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00718.95
8.1.150.0000.00818.80
8.1.140.0000.00717.44
8.1.130.0030.00317.35
8.1.120.0050.00217.49
8.1.110.0000.00817.52
8.1.100.0040.00417.35
8.1.90.0030.00317.53
8.1.80.0000.00717.47
8.1.70.0000.00717.45
8.1.60.0030.00617.63
8.1.50.0040.00417.59
8.1.40.0040.00417.51
8.1.30.0040.00417.55
8.1.20.0000.00717.57
8.1.10.0000.00717.53
8.1.00.0040.00417.30
8.0.300.0050.00318.87
8.0.290.0000.00816.63
8.0.280.0000.00818.36
8.0.270.0000.00717.05
8.0.260.0000.00716.76
8.0.250.0000.00716.77
8.0.240.0030.00316.88
8.0.230.0050.00316.85
8.0.220.0030.00316.86
8.0.210.0050.00316.66
8.0.200.0060.00016.79
8.0.190.0040.00316.82
8.0.180.0050.00316.73
8.0.170.0040.00416.83
8.0.160.0000.00716.84
8.0.150.0040.00316.68
8.0.140.0080.00016.75
8.0.130.0030.00313.33
8.0.120.0040.00416.83
8.0.110.0000.00816.81
8.0.100.0080.00016.61
8.0.90.0040.00416.81
8.0.80.0110.00716.77
8.0.70.0040.00416.65
8.0.60.0040.00416.84
8.0.50.0080.00016.71
8.0.30.0100.01416.84
8.0.20.0110.01017.40
8.0.10.0070.00016.78
8.0.00.0130.01016.55
7.4.330.0000.00515.00
7.4.320.0000.00816.26
7.4.300.0060.00316.23
7.4.290.0060.00016.23
7.4.280.0060.00316.37
7.4.270.0030.00416.31
7.4.260.0000.00816.27
7.4.250.0040.00416.27
7.4.240.0030.00416.34
7.4.230.0070.00016.30
7.4.220.0160.00316.36
7.4.210.0090.00916.50
7.4.200.0030.00316.30
7.4.160.0080.01116.34
7.4.150.0110.01517.40
7.4.140.0120.00817.86
7.4.130.0130.00716.30
7.4.120.0110.01116.49
7.4.110.0130.01016.43
7.4.100.0100.01616.27
7.4.90.0140.01416.33
7.4.80.0130.00819.39
7.4.70.0040.01316.11
7.4.60.0150.00416.39
7.4.50.0000.00416.46
7.4.40.0150.00416.38
7.4.30.0190.00016.21
7.4.00.0100.00714.70
7.3.330.0030.00313.27
7.3.320.0000.00613.27
7.3.310.0000.00716.11
7.3.300.0030.00316.30
7.3.290.0090.00616.26
7.3.280.0120.00816.22
7.3.270.0200.01117.40
7.3.260.0110.00916.39
7.3.250.0200.00516.33
7.3.240.0090.01116.16
7.3.230.0110.01116.56
7.3.210.0130.00816.32
7.3.200.0120.01219.39
7.3.190.0090.01516.20
7.3.180.0040.01616.35
7.3.170.0340.00516.43
7.3.160.0100.01016.26
7.2.330.0190.00416.49
7.2.320.0170.00316.51
7.2.310.0120.00616.59
7.2.300.0140.00416.32
7.2.290.0290.01516.60
7.2.60.0040.01116.61
7.2.00.0060.00619.43
7.1.200.0110.00015.61
7.1.100.0040.00817.88
7.1.70.0000.00717.07
7.1.60.0160.00719.32
7.1.50.0130.01017.30
7.1.00.0000.08022.21
7.0.200.0100.00016.69
7.0.140.0000.08022.21
7.0.60.0030.04019.80
7.0.50.0130.07317.79
7.0.40.0070.08319.87
7.0.30.0230.06319.84
7.0.20.0330.08019.80
7.0.10.0330.05319.74
7.0.00.0130.04319.93
5.6.280.0130.06721.04
5.6.210.0070.03720.71
5.6.200.0100.08018.17
5.6.190.0130.08320.25
5.6.180.0300.04020.29
5.6.170.0130.04320.23
5.6.160.0000.04720.36
5.6.150.0030.04018.11
5.6.140.0030.04018.10
5.6.130.0070.06318.15
5.6.120.0030.09021.13
5.6.110.0030.04321.00
5.6.100.0070.05721.11
5.6.90.0070.09021.11
5.6.80.0070.08320.36
5.6.70.4330.03720.57
5.5.350.0070.05320.31
5.5.340.0000.05017.73
5.5.330.0100.03720.16
5.5.320.0330.08320.16
5.5.310.0270.08320.18
5.5.300.0070.04717.88
5.5.290.0030.07717.91
5.5.280.0000.09320.73
5.5.270.0130.08020.76
5.5.260.0170.03320.95
5.5.250.0130.08020.46
5.5.240.0070.04320.28
5.4.450.0370.05019.18
5.4.440.3770.04019.14
5.4.430.0200.07319.51
5.4.420.0370.06719.28
5.4.410.0270.06319.36
5.4.400.0200.04318.82
5.4.390.3830.03718.96
5.4.380.0200.04318.71
5.4.370.0200.03319.00
5.4.360.0530.06018.97
5.4.350.0330.04319.01
5.4.340.0170.08018.81
5.4.320.0070.03712.45
5.4.310.0060.04412.45
5.4.300.0050.04012.46
5.4.290.0110.03512.45
5.4.280.0080.03512.35
5.4.270.0090.03512.35
5.4.260.0080.03712.35
5.4.250.0060.03812.35
5.4.240.0100.03312.35
5.4.230.0100.03912.34
5.4.220.0110.04012.34
5.4.210.0060.04412.34
5.4.200.0060.04212.34
5.4.190.0030.05412.34
5.4.180.0080.03912.34
5.4.170.0120.03912.35
5.4.160.0090.03512.34
5.4.150.0060.04612.34
5.4.140.0100.03512.02
5.4.130.0150.04412.01
5.4.120.0070.05411.97
5.4.110.0130.04811.97
5.4.100.0050.03811.97
5.4.90.0090.03511.96
5.4.80.0070.04011.96
5.4.70.0110.03211.96
5.4.60.0060.03711.96
5.4.50.0100.03311.96
5.4.40.0070.03511.95
5.4.30.0030.04211.95
5.4.20.0090.03611.94
5.4.10.0060.03711.95
5.4.00.0050.04411.43

preferences:
81.05 ms | 400 KiB | 5 Q