3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'Chào Bạn'; $newString = str_replace(' ', '', $string); echo strtolower($newString);

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)
8.5.30.0130.00517.21
8.5.20.0080.01018.79
8.5.10.0060.00317.98
8.5.00.0100.01119.84
8.4.180.0110.01119.48
8.4.170.0110.01123.79
8.4.160.0110.01023.86
8.4.150.0070.00616.81
8.4.140.0110.00917.54
8.4.130.0110.01017.53
8.4.120.0130.00920.38
8.4.110.0030.00722.49
8.4.100.0150.00517.77
8.4.90.0030.00620.62
8.4.80.0090.01118.75
8.4.70.0100.00817.56
8.4.60.0160.00518.61
8.4.50.0050.00417.73
8.4.40.0060.01319.52
8.4.30.0100.01017.49
8.4.20.0130.00617.72
8.4.10.0050.00519.32
8.3.300.0110.00920.75
8.3.290.0100.01018.65
8.3.280.0100.01020.02
8.3.270.0100.00816.30
8.3.260.0130.00716.46
8.3.250.0110.00718.97
8.3.240.0050.00416.71
8.3.230.0100.00616.61
8.3.220.0110.00718.87
8.3.210.0060.00418.47
8.3.200.0100.00616.69
8.3.190.0130.00716.93
8.3.180.0050.00320.53
8.3.170.0110.00716.43
8.3.160.0110.00316.47
8.3.150.0030.00717.06
8.3.140.0050.00317.04
8.3.130.0090.00018.53
8.3.120.0160.00418.90
8.3.110.0100.00020.94
8.3.100.0090.00024.06
8.3.90.0060.00326.77
8.3.80.0000.01317.97
8.3.70.0060.01818.28
8.3.60.0070.00718.50
8.3.50.0100.00516.56
8.3.40.0110.00318.75
8.3.30.0040.01118.60
8.3.20.0000.00820.16
8.3.10.0120.00621.80
8.3.00.0030.00620.87
8.2.300.0100.01017.93
8.2.290.0110.00720.23
8.2.280.0110.00618.34
8.2.270.0070.01116.64
8.2.260.0030.00618.63
8.2.250.0080.00016.55
8.2.240.0040.00418.95
8.2.230.0060.00322.58
8.2.220.0040.00437.54
8.2.210.0030.01326.77
8.2.200.0040.00418.04
8.2.190.0040.01116.63
8.2.180.0170.00316.75
8.2.170.0060.00822.96
8.2.160.0070.00719.36
8.2.150.0060.00325.66
8.2.140.0000.00824.66
8.2.130.0040.00419.19
8.2.120.0080.00026.35
8.2.110.0070.00320.58
8.2.100.0120.00017.72
8.2.90.0000.00819.28
8.2.80.0050.00317.97
8.2.70.0040.00417.63
8.2.60.0070.00017.93
8.2.50.0000.00818.10
8.2.40.0030.00620.30
8.2.30.0070.00419.23
8.2.20.0040.00418.01
8.2.10.0000.00718.03
8.2.00.0040.00418.03
8.1.340.0090.01217.38
8.1.330.0120.00721.76
8.1.320.0080.00316.18
8.1.310.0080.00016.79
8.1.300.0080.00018.03
8.1.290.0030.00630.84
8.1.280.0070.00725.92
8.1.270.0070.00022.26
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0090.00022.75
8.1.230.0070.00319.12
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0050.00517.23
8.1.190.0080.00017.09
8.1.180.0060.00318.10
8.1.170.0030.00518.50
8.1.160.0040.00418.86
8.1.150.0000.00720.24
8.1.140.0070.00019.41
8.1.130.0000.00718.69
8.1.120.0000.00817.43
8.1.110.0030.00517.40
8.1.100.0040.00417.38
8.1.90.0040.00417.40
8.1.80.0030.00317.41
8.1.70.0000.00717.25
8.1.60.0000.00717.36
8.1.50.0050.00517.40
8.1.40.0050.00217.44
8.1.30.0040.00417.50
8.1.20.0040.00417.44
8.1.10.0040.00417.43
8.1.00.0080.00017.35
8.0.300.0000.00718.77
8.0.290.0060.00316.75
8.0.280.0000.00718.35
8.0.270.0030.00317.20
8.0.260.0040.00418.79
8.0.250.0060.00016.98
8.0.240.0070.00016.95
8.0.230.0040.00416.84
8.0.220.0000.00716.76
8.0.210.0000.00716.72
8.0.200.0060.00016.89
8.0.190.0000.00716.83
8.0.180.0000.00716.85
8.0.170.0030.00316.88
8.0.160.0030.00516.86
8.0.150.0070.00016.67
8.0.140.0030.00316.66
8.0.130.0000.00513.21
8.0.120.0030.00616.75
8.0.110.0040.00416.83
8.0.100.0000.00716.69
8.0.90.0070.00016.73
8.0.80.0130.00616.87
8.0.70.0040.00416.66
8.0.60.0030.00516.79
8.0.50.0000.00716.66
8.0.30.0050.01117.07
8.0.20.0130.00717.40
8.0.10.0040.00416.89
8.0.00.0120.00616.64
7.4.330.0000.00515.55
7.4.320.0060.00016.52
7.4.300.0040.00416.55
7.4.290.0000.00716.35
7.4.280.0070.00016.33
7.4.270.0050.00216.58
7.4.260.0110.00016.53
7.4.250.0070.00016.54
7.4.240.0050.00316.34
7.4.230.0000.00716.61
7.4.220.0000.01816.48
7.4.210.0110.01016.49
7.4.200.0050.00216.62
7.4.160.0110.00816.45
7.4.150.0130.01017.40
7.4.140.0090.01017.86
7.4.130.0090.00916.50
7.4.120.0150.00916.53
7.4.110.0070.01116.34
7.4.100.0080.00816.52
7.4.90.0100.00716.54
7.4.80.0070.01019.39
7.4.70.0080.01316.42
7.4.60.0100.00716.36
7.4.50.0060.01216.29
7.4.40.0100.00716.40
7.4.30.0060.01416.36
7.4.00.0090.00614.83
7.3.330.0020.00213.11
7.3.320.0000.00513.06
7.3.310.0070.00016.12
7.3.300.0000.00716.15
7.3.290.0000.00616.15
7.3.280.0090.00716.13
7.3.270.0030.02217.40
7.3.260.0060.01616.17
7.3.250.0100.00816.22
7.3.240.0140.00416.28
7.3.230.0150.00316.46
7.3.210.0100.00716.17
7.3.200.0130.00316.34
7.3.190.0130.00316.29
7.3.180.0100.01016.22
7.3.170.0030.01416.38
7.3.160.0100.00616.31
7.3.10.0030.01016.45
7.3.00.0040.00816.43
7.2.330.0130.00416.35
7.2.320.0090.00916.31
7.2.310.0100.00616.71
7.2.300.0190.00416.30
7.2.290.0070.01016.68
7.2.130.0090.00316.87
7.2.120.0060.00616.80
7.2.110.0080.00016.82
7.2.100.0130.00016.86
7.2.90.0040.00716.96
7.2.80.0030.00716.84
7.2.70.0040.01116.81
7.2.60.0100.00516.76
7.2.50.0110.00316.95
7.2.40.0070.00717.02
7.2.30.0000.01716.73
7.2.20.0100.00716.88
7.2.10.0040.01216.90
7.2.00.0060.00616.66
7.1.250.0070.00715.91
7.1.200.0050.00515.76
7.1.80.0070.01018.07
7.1.70.0070.00716.93
7.1.60.0110.01535.05
7.1.50.0130.01634.66
7.1.40.0160.01334.53
7.1.30.0200.01034.39
7.1.20.0190.01034.41
7.1.10.0060.00816.58
7.1.00.0060.00616.52
7.0.200.0080.00516.87
7.0.190.0030.01016.54
7.0.180.0090.00616.05
7.0.170.0030.01015.93
7.0.160.0060.00916.16
7.0.150.0070.00716.38
7.0.140.0000.01316.29
7.0.130.0100.00316.43
7.0.120.0040.01116.57
7.0.110.0030.01216.12
7.0.100.0110.00616.32
7.0.90.0020.01216.11
7.0.80.0030.01016.30
7.0.70.0000.01316.23
7.0.60.0000.01315.90
7.0.50.0030.01316.36
7.0.40.0060.01116.26
7.0.30.0070.01016.18
7.0.20.0030.01216.50
7.0.10.0050.01416.57
7.0.00.0060.01116.40

preferences:
113.63 ms | 1504 KiB | 5 Q