3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 'рв 2134 хт'; echo preg_replace('\s', '', mb_strtoupper($a));

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)
8.3.40.0070.00718.57
8.3.30.0140.00018.91
8.3.20.0040.00420.18
8.3.10.0000.00721.60
8.3.00.0040.00419.07
8.2.170.0070.00722.96
8.2.160.0000.01322.00
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00019.56
8.2.110.0090.00019.23
8.2.100.0110.00018.03
8.2.90.0030.00517.88
8.2.80.0060.00318.73
8.2.70.0030.00617.62
8.2.60.0050.00317.63
8.2.50.0040.00418.04
8.2.40.0050.00317.62
8.2.30.0040.00418.04
8.2.20.0040.00417.61
8.2.10.0040.00417.86
8.2.00.0050.00317.52
8.1.270.0040.00418.79
8.1.260.0160.00326.35
8.1.250.0040.00428.09
8.1.240.0040.00721.00
8.1.230.0070.00419.14
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.00917.35
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0050.00219.02
8.1.160.0000.00721.91
8.1.150.0000.00818.86
8.1.140.0040.00419.17
8.1.130.0070.00017.79
8.1.120.0070.00017.34
8.1.110.0050.00317.35
8.1.100.0000.00717.48
8.1.90.0000.00717.35
8.1.80.0070.00017.42
8.1.70.0030.00317.39
8.1.60.0040.00417.60
8.1.50.0000.00817.47
8.1.40.0040.00417.41
8.1.30.0080.00017.55
8.1.20.0030.00617.68
8.1.10.0000.00817.55
8.1.00.0040.00417.37
8.0.300.0040.00418.77
8.0.290.0040.00416.87
8.0.280.0050.00218.49
8.0.270.0030.00317.37
8.0.260.0000.00617.18
8.0.250.0000.00717.10
8.0.240.0060.00317.02
8.0.230.0030.00316.96
8.0.220.0080.00016.87
8.0.210.0070.00017.05
8.0.200.0070.00016.99
8.0.190.0070.00016.98
8.0.180.0040.00416.97
8.0.170.0040.00416.85
8.0.160.0070.00016.94
8.0.150.0040.00416.92
8.0.140.0110.00016.76
8.0.130.0050.00313.26
8.0.120.0050.00316.95
8.0.110.0070.00016.84
8.0.100.0000.00716.96
8.0.90.0000.00716.77
8.0.80.0120.00916.98
8.0.70.0000.00717.05
8.0.60.0040.00416.90
8.0.50.0040.00316.89
8.0.30.0040.01716.98
8.0.20.0050.01317.40
8.0.10.0000.00816.95
8.0.00.0070.01016.81
7.4.330.0050.00015.03
7.4.320.0050.00216.58
7.4.300.0000.00616.50
7.4.290.0030.00316.59
7.4.280.0000.00716.48
7.4.270.0070.00016.57
7.4.260.0000.00716.43
7.4.250.0000.00816.56
7.4.240.0020.00616.53
7.4.230.0040.00416.54
7.4.220.0070.01116.48
7.4.210.0060.00916.53
7.4.200.0070.00016.38
7.4.160.0060.00916.54
7.4.150.0130.00617.40
7.4.140.0110.00617.86
7.4.130.0090.00816.37
7.4.120.0070.01016.50
7.4.110.0100.00716.46
7.4.100.0100.00716.42
7.4.90.0120.00616.51
7.4.80.0110.01219.39
7.4.70.0100.00716.59
7.4.60.0030.01316.59
7.4.50.0030.00516.34
7.4.40.0120.00616.54
7.4.30.0030.01316.59
7.4.00.0030.01214.98
7.3.330.0030.00313.30
7.3.320.0060.00013.30
7.3.310.0030.00316.46
7.3.300.0030.00316.15
7.3.290.0060.00816.33
7.3.280.0100.00716.33
7.3.270.0150.00517.40
7.3.260.0200.00316.46
7.3.250.0110.00616.26
7.3.240.0080.00816.21
7.3.230.0110.00816.39
7.3.210.0100.00716.30
7.3.200.0080.00919.39
7.3.190.0090.00916.40
7.3.180.0120.00416.40
7.3.170.0090.01216.44
7.3.160.0040.01316.52
7.2.330.0160.00316.61
7.2.320.0110.01116.49
7.2.310.0050.01116.57
7.2.300.0110.01116.32
7.2.290.0060.01116.56
7.2.00.0040.01219.23
7.1.100.0000.01117.56
7.1.70.0000.00717.02
7.1.60.0070.01719.46
7.1.50.0070.01416.92
7.1.00.0070.07322.28
7.0.200.0000.00716.47
7.0.140.0030.05022.09
7.0.60.0170.07320.06
7.0.50.0030.09017.83
7.0.40.0100.07720.39
7.0.30.0230.07720.18
7.0.20.0230.04020.13
7.0.10.0100.07720.00
7.0.00.0130.07720.16
5.6.280.0030.07320.92
5.6.210.0130.07020.54
5.6.200.0030.04318.17
5.6.190.0030.09020.41
5.6.180.0500.07720.60
5.6.170.0370.06720.44
5.6.160.0200.05720.38
5.6.150.0100.07318.17
5.6.140.0030.06018.12
5.6.130.0030.08718.11
5.6.120.0000.06320.98
5.6.110.0130.07320.93
5.6.100.0170.07320.95
5.6.90.0070.05320.87
5.6.80.0070.08320.28
5.5.350.0200.07720.29
5.5.340.0100.08318.02
5.5.330.0070.04020.37
5.5.320.0400.05720.30
5.5.310.0300.06720.12
5.5.300.0100.08017.98
5.5.290.0000.05717.89
5.5.280.0170.05320.73
5.5.270.0100.04320.82
5.5.260.0170.05320.75
5.5.250.0070.03720.54
5.5.240.0030.03720.06
5.4.450.0770.06019.32
5.4.440.0600.08719.46
5.4.430.0100.05319.26
5.4.420.0070.07019.52
5.4.410.0100.05718.87
5.4.400.0100.06018.80
5.4.390.0170.05318.77
5.4.380.0100.06718.58
5.4.370.0300.06018.73
5.4.360.0230.07018.66
5.4.350.0100.06718.79
5.4.340.0300.05018.52
5.4.320.0330.05318.67
5.4.310.0200.05318.68
5.4.300.0200.06318.50
5.4.290.0170.07018.77
5.4.280.0200.05018.61
5.4.270.0070.07318.68
5.4.260.0230.04718.51
5.4.250.0200.05318.71
5.4.240.0170.07318.62
5.4.230.0130.05718.48
5.4.220.0230.05318.72
5.4.210.0270.05318.66
5.4.200.0300.05716.73
5.4.190.0230.06718.66
5.4.180.0330.04718.48
5.4.170.0100.06318.47
5.4.160.0100.05718.50
5.4.150.0130.06018.55
5.4.140.0200.04716.25
5.4.130.0330.04316.14
5.4.120.0230.04716.25
5.4.110.0370.05016.08
5.4.100.0230.05716.20
5.4.90.0230.05016.19
5.4.80.0200.05316.04
5.4.70.0200.07016.25
5.4.60.0270.04716.19
5.4.50.0330.04716.14
5.4.40.0230.05716.16
5.4.30.0170.05316.09
5.4.20.0370.05016.28
5.4.10.0070.06716.00
5.4.00.0200.05015.58
5.3.290.0200.05714.65
5.3.280.0300.05014.52
5.3.270.0230.05014.65
5.3.260.0170.06014.53
5.3.250.0230.05314.50
5.3.240.0200.05714.57
5.3.230.0200.06314.50
5.3.220.0130.07314.54
5.3.210.0030.07014.56
5.3.200.0270.04314.59
5.3.190.0230.05314.52
5.3.180.0200.05014.63
5.3.170.0170.06314.65
5.3.160.0370.03314.47
5.3.150.0130.07314.54
5.3.140.0230.06014.53
5.3.130.0270.05314.52
5.3.120.0170.06714.49
5.3.110.0230.05714.64
5.3.100.0130.06014.06
5.3.90.0100.06314.02
5.3.80.0230.05013.99
5.3.70.0300.04013.92
5.3.60.0200.05714.03
5.3.50.0100.05713.85
5.3.40.0130.07313.93
5.3.30.0170.05013.89
5.3.20.0230.04713.79
5.3.10.0200.04713.64
5.3.00.0230.05013.57
5.2.170.0200.03711.18
5.2.160.0130.04311.18
5.2.150.0100.06011.17
5.2.140.0170.05311.14
5.2.130.0130.04311.13
5.2.120.0100.04711.23
5.2.110.0100.04711.02
5.2.100.0100.05311.05
5.2.90.0100.06311.25
5.2.80.0100.04711.04
5.2.70.0170.04011.12
5.2.60.0100.05711.08
5.2.50.0100.04311.00
5.2.40.0100.04310.99
5.2.30.0130.04711.12
5.2.20.0100.05310.99
5.2.10.0100.04310.99
5.2.00.0100.06010.77
5.1.60.0170.0339.95
5.1.50.0070.04010.01
5.1.40.0170.04310.00
5.1.30.0130.03710.33
5.1.20.0130.04710.37
5.1.10.0100.04310.20
5.1.00.0100.04010.08
5.0.50.0070.0338.66
5.0.40.0130.0238.42
5.0.30.0030.0478.25
5.0.20.0130.0308.25
5.0.10.0070.0408.30
5.0.00.0100.0508.18
4.4.90.0070.0305.82
4.4.80.0030.0235.81
4.4.70.0070.0205.88
4.4.60.0100.0275.91
4.4.50.0100.0175.91
4.4.40.0130.0305.89
4.4.30.0070.0235.87
4.4.20.0070.0335.91
4.4.10.0130.0235.93
4.4.00.0070.0375.94
4.3.110.0100.0275.85
4.3.100.0030.0235.78
4.3.90.0000.0275.82
4.3.80.0070.0335.80
4.3.70.0100.0205.83
4.3.60.0030.0235.83
4.3.50.0030.0275.87
4.3.40.0070.0335.78
4.3.30.0070.0274.68
4.3.20.0030.0304.60
4.3.10.0070.0174.57
4.3.00.0170.0236.98

preferences:
91.4 ms | 400 KiB | 5 Q