3v4l.org

run code in 300+ PHP versions simultaneously
<?php function isStringOnlyAZSPACE($the_string) { $valid_chars = array('A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z',' '); $the_string = str_replace($valid_chars, "", $the_string); return (strlen($the_string)==0); } echo isStringOnlyAZSPACE("ST MARY'S")?"true":"false"; ?>

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)
8.3.60.0140.00018.18
8.3.50.0110.00621.94
8.3.40.0100.01018.85
8.3.30.0100.01018.92
8.3.20.0040.00420.16
8.3.10.0080.00022.13
8.3.00.0040.00422.27
8.2.180.0070.00716.50
8.2.170.0100.01022.96
8.2.160.0120.00320.65
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00319.36
8.2.110.0040.00422.11
8.2.100.0090.00317.72
8.2.90.0000.00819.08
8.2.80.0030.00517.97
8.2.70.0030.00617.63
8.2.60.0110.00018.03
8.2.50.0000.00818.07
8.2.40.0000.00818.22
8.2.30.0040.00418.13
8.2.20.0050.00317.59
8.2.10.0040.00419.46
8.2.00.0050.00317.61
8.1.280.0110.00425.92
8.1.270.0080.00023.81
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0060.00323.96
8.1.230.0070.00319.16
8.1.220.0040.00417.78
8.1.210.0000.00818.77
8.1.200.0090.00017.23
8.1.190.0000.00817.43
8.1.180.0050.00518.10
8.1.170.0030.00618.64
8.1.160.0080.00021.93
8.1.150.0000.00718.61
8.1.140.0050.00317.47
8.1.130.0000.00617.82
8.1.120.0040.00417.30
8.1.110.0000.00817.43
8.1.100.0050.00217.43
8.1.90.0030.00717.47
8.1.80.0030.00517.35
8.1.70.0000.00717.36
8.1.60.0030.00517.51
8.1.50.0000.00817.54
8.1.40.0030.00517.55
8.1.30.0030.00617.55
8.1.20.0000.00817.64
8.1.10.0060.00317.55
8.1.00.0040.00417.43
8.0.300.0000.00718.77
8.0.290.0000.00717.18
8.0.280.0070.00018.51
8.0.270.0030.00317.27
8.0.260.0000.00716.82
8.0.250.0040.00416.89
8.0.240.0080.00016.93
8.0.230.0030.00316.83
8.0.220.0000.00716.84
8.0.210.0040.00416.84
8.0.200.0030.00316.85
8.0.190.0000.00816.80
8.0.180.0040.00416.89
8.0.170.0040.00416.80
8.0.160.0000.00716.80
8.0.150.0050.00216.76
8.0.140.0050.00216.88
8.0.130.0050.00013.25
8.0.120.0030.00616.92
8.0.110.0050.00316.86
8.0.100.0040.00416.96
8.0.90.0040.00416.76
8.0.80.0120.00616.88
8.0.70.0040.00417.01
8.0.60.0050.00216.92
8.0.50.0040.00416.82
8.0.30.0100.00917.09
8.0.20.0120.00617.40
8.0.10.0040.00417.06
8.0.00.0120.01016.62
7.4.330.0020.00215.20
7.4.320.0030.00316.49
7.4.300.0060.00016.43
7.4.290.0070.00016.38
7.4.280.0050.00316.55
7.4.270.0060.00016.52
7.4.260.0040.00416.58
7.4.250.0040.00416.46
7.4.240.0020.00516.61
7.4.230.0000.00716.45
7.4.220.0080.01116.59
7.4.210.0070.00916.61
7.4.200.0000.00716.68
7.4.190.0050.00316.74
7.4.160.0120.00416.31
7.4.150.0150.00317.40
7.4.140.0060.01217.86
7.4.130.0100.01016.51
7.4.120.0140.00716.54
7.4.110.0150.00316.57
7.4.100.0110.00616.72
7.4.90.0070.01016.65
7.4.80.0130.00316.40
7.4.70.0000.01716.44
7.4.60.0090.00916.53
7.4.50.0000.00916.57
7.4.40.0090.00622.77
7.4.30.0090.00916.48
7.4.00.0000.01615.01
7.3.330.0000.00513.29
7.3.320.0020.00213.16
7.3.310.0070.00016.29
7.3.300.0070.00016.14
7.3.290.0130.00716.32
7.3.280.0100.00816.31
7.3.270.0140.00917.40
7.3.260.0140.00316.50
7.3.250.0120.00416.61
7.3.240.0140.00916.18
7.3.230.0070.01016.50
7.3.210.0120.00916.46
7.3.200.0120.01019.39
7.3.190.0040.01216.62
7.3.180.0140.00316.68
7.3.170.0110.00716.48
7.3.160.0060.00916.58
7.3.120.0070.01014.80
7.2.330.0080.01116.77
7.2.320.0100.00716.54
7.2.310.0100.01216.66
7.2.300.0160.00616.58
7.2.290.0000.01616.71
7.2.00.0060.01019.32
7.1.100.0060.00918.13
7.1.70.0030.00716.95
7.1.60.0070.01719.82
7.1.50.0070.01516.97
7.1.00.0070.07322.44
7.0.200.0000.00916.79
7.0.140.0070.06722.13
7.0.60.0030.04019.92
7.0.50.0070.07317.85
7.0.40.0130.07720.15
7.0.30.0270.04320.28
7.0.20.0230.04720.15
7.0.10.0230.05320.30
7.0.00.0100.04720.32
5.6.280.0070.07021.11
5.6.210.0070.08320.73
5.6.200.0130.07718.29
5.6.190.0100.06320.64
5.6.180.3470.04020.50
5.6.170.0370.08020.47
5.6.160.0170.07020.52
5.6.150.0200.04018.19
5.6.140.0070.06318.17
5.6.130.0100.08318.18
5.6.120.0100.04020.99
5.6.110.0030.08721.03
5.6.100.0000.04320.97
5.6.90.0000.06320.98
5.6.80.0100.07320.54
5.5.350.0030.08020.34
5.5.340.0000.04718.07
5.5.330.0100.06720.43
5.5.320.0470.06720.38
5.5.310.0170.06320.30
5.5.300.0070.08017.95
5.5.290.0030.05018.08
5.5.280.0000.05020.80
5.5.270.0100.08320.87
5.5.260.0100.08020.87
5.5.250.0100.07320.62
5.5.240.0070.03720.16
5.4.450.0200.05019.52
5.4.440.0330.06719.16
5.4.430.0070.08019.40
5.4.420.0230.05019.45
5.4.410.0300.06319.34
5.4.400.0230.05019.24
5.4.390.0100.04319.22
5.4.380.0230.07718.86
5.4.370.0170.03718.84
5.4.360.0130.04319.08
5.4.350.0200.04719.13
5.4.340.0230.03318.94
5.4.320.0200.03719.09
5.4.310.0170.03719.22
5.4.300.0170.03719.18
5.4.290.0130.04019.08
5.4.280.0170.04019.09
5.4.270.0200.03319.05
5.4.260.0130.04019.04
5.4.250.0170.03719.01
5.4.240.0200.03319.08
5.4.230.0170.04019.12
5.4.220.0130.05319.16
5.4.210.0170.04018.83
5.4.200.0200.03318.86
5.4.190.0170.03719.21
5.4.180.0170.03718.96
5.4.170.0270.04019.12
5.4.160.0170.03719.20
5.4.150.0170.04018.82
5.4.140.0170.03716.51
5.4.130.0200.06016.41
5.4.120.0200.03316.50
5.4.110.0000.04716.45
5.4.100.0470.03716.41
5.4.90.1370.03316.55
5.4.80.1830.03716.24
5.4.70.1500.03316.18
5.4.60.1200.04316.44
5.4.50.1500.03716.52
5.4.40.1830.04016.29
5.4.30.1830.03316.16
5.4.20.1530.03716.32
5.4.10.1500.02716.52
5.4.00.2330.03716.11
5.3.290.2030.03714.58
5.3.280.1600.03714.52
5.3.270.0070.03714.60
5.3.260.0000.04014.77
5.3.250.0770.03714.61
5.3.240.1970.03714.68
5.3.230.1600.04314.50
5.3.220.1570.03714.47
5.3.210.1670.04014.54
5.3.200.1530.04014.47
5.3.190.1170.04314.59
5.3.180.0270.03314.49
5.3.170.0200.04314.48
5.3.160.0130.04014.79
5.3.150.0130.06714.64
5.3.140.0500.06314.63
5.3.130.0170.04014.46
5.3.120.0370.06314.47
5.3.110.0270.03714.46
5.3.100.0230.04014.02
5.3.90.0200.04313.99
5.3.80.0300.03013.95
5.3.70.0230.03014.04
5.3.60.0200.04313.93
5.3.50.0200.06313.87
5.3.40.0070.04713.88
5.3.30.0230.05714.14
5.3.20.0200.04013.77
5.3.10.0200.03013.57
5.3.00.0200.04713.69
5.2.170.0100.03711.20
5.2.160.0170.02711.30
5.2.150.0130.06711.20
5.2.140.0100.03011.10
5.2.130.0100.03011.19
5.2.120.0100.03011.02
5.2.110.0100.03311.01
5.2.100.0170.02711.08
5.2.90.0200.03011.08
5.2.80.0130.03011.02
5.2.70.0170.03311.02
5.2.60.0130.05310.98
5.2.50.0170.03011.10
5.2.40.0170.04710.90
5.2.30.0130.03011.12
5.2.20.0200.03710.96
5.2.10.0200.02710.87
5.2.00.0200.03010.86
5.1.60.0170.0239.90
5.1.50.0130.0239.93
5.1.40.0130.0239.88
5.1.30.0300.02710.39
5.1.20.0100.03010.29
5.1.10.0100.02710.16
5.1.00.0100.02310.20
5.0.50.0070.0238.47
5.0.40.0100.0208.54
5.0.30.0070.0308.13
5.0.20.0000.0238.10
5.0.10.0030.0238.03
5.0.00.0000.0338.09
4.4.90.0130.0207.65
4.4.80.0030.0207.65
4.4.70.0100.0107.65
4.4.60.0130.0137.65
4.4.50.0100.0107.65
4.4.40.0100.0207.65
4.4.30.0030.0177.65
4.4.20.0070.0177.65
4.4.10.0030.0177.65
4.4.00.0070.0237.65
4.3.110.0030.0307.65
4.3.100.0070.0137.65
4.3.90.0100.0137.65
4.3.80.0070.0237.65
4.3.70.0070.0177.65
4.3.60.0100.0307.65
4.3.50.0070.0237.65
4.3.40.0070.0507.65
4.3.30.0030.0177.65
4.3.20.0070.0177.65
4.3.10.0030.0177.65
4.3.00.0070.0137.65

preferences:
59.12 ms | 400 KiB | 5 Q