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"; // FALSE echo "<BR>"; echo isStringOnlyAZSPACE("ST MARYS")?"true":"false"; // TRUE ?>

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)
8.3.40.0170.00318.50
8.3.30.0040.01119.04
8.3.20.0030.00620.29
8.3.10.0000.00823.53
8.3.00.0000.00719.20
8.2.170.0160.00322.96
8.2.160.0060.00920.53
8.2.150.0000.00724.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0040.00420.90
8.2.110.0030.00622.13
8.2.100.0040.00719.64
8.2.90.0080.00019.22
8.2.80.0060.00317.97
8.2.70.0000.01017.50
8.2.60.0000.00817.68
8.2.50.0040.00418.07
8.2.40.0000.00921.23
8.2.30.0040.00418.27
8.2.20.0040.00417.79
8.2.10.0040.00418.12
8.2.00.0000.00817.73
8.1.270.0040.00423.79
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0000.00922.04
8.1.230.0080.00419.00
8.1.220.0040.00417.78
8.1.210.0090.00018.77
8.1.200.0030.00617.25
8.1.190.0000.00817.11
8.1.180.0050.00318.10
8.1.170.0060.00318.53
8.1.160.0000.00921.89
8.1.150.0040.00418.63
8.1.140.0030.00617.49
8.1.130.0000.00717.74
8.1.120.0070.00017.49
8.1.110.0000.00917.45
8.1.100.0040.00417.45
8.1.90.0040.00417.46
8.1.80.0030.00517.45
8.1.70.0000.00817.41
8.1.60.0000.00717.52
8.1.50.0050.00317.55
8.1.40.0040.00517.57
8.1.30.0000.00817.58
8.1.20.0000.00717.63
8.1.10.0020.00517.50
8.1.00.0050.00217.43
8.0.300.0040.00418.77
8.0.290.0070.00017.05
8.0.280.0030.00318.33
8.0.270.0040.00417.17
8.0.260.0000.00817.30
8.0.250.0030.00316.97
8.0.240.0040.00416.96
8.0.230.0030.00316.93
8.0.220.0030.00516.68
8.0.210.0000.00716.81
8.0.200.0000.00716.92
8.0.190.0040.00416.91
8.0.180.0000.00716.75
8.0.170.0030.00616.89
8.0.160.0000.00716.74
8.0.150.0050.00216.75
8.0.140.0030.00516.70
8.0.130.0060.00013.32
8.0.120.0040.00416.82
8.0.110.0000.00716.81
8.0.100.0000.00716.82
8.0.90.0050.00216.84
8.0.80.0070.00716.96
8.0.70.0000.00716.74
8.0.60.0000.00816.86
8.0.50.0000.00716.83
8.0.30.0110.01017.03
8.0.20.0110.01017.40
8.0.10.0000.00716.97
8.0.00.0060.01116.59
7.4.330.0030.00315.03
7.4.320.0000.00716.46
7.4.300.0000.00716.61
7.4.290.0000.00716.62
7.4.280.0060.00316.40
7.4.270.0040.00716.55
7.4.260.0050.00316.59
7.4.250.0040.00416.44
7.4.240.0020.00516.40
7.4.230.0070.00016.32
7.4.220.0130.00716.38
7.4.210.0110.00616.50
7.4.200.0070.00316.54
7.4.190.0070.00016.45
7.4.160.0150.00616.61
7.4.150.0150.00317.40
7.4.140.0120.00617.86
7.4.130.0050.01216.59
7.4.120.0080.00916.45
7.4.110.0150.00916.47
7.4.100.0120.00616.62
7.4.90.0040.01216.49
7.4.80.0140.00419.39
7.4.70.0030.01216.59
7.4.60.0030.01416.43
7.4.50.0000.00416.32
7.4.40.0110.00516.51
7.4.30.0030.01316.53
7.4.00.0100.00714.85
7.3.330.0030.00313.13
7.3.320.0050.00013.29
7.3.310.0060.00316.34
7.3.300.0030.00316.22
7.3.290.0000.01416.33
7.3.280.0100.00816.26
7.3.270.0060.01217.40
7.3.260.0150.00416.63
7.3.250.0110.01316.36
7.3.240.0150.00916.33
7.3.230.0130.00316.39
7.3.210.0170.00616.30
7.3.200.0100.00619.39
7.3.190.0090.01216.38
7.3.180.0100.00616.21
7.3.170.0130.00616.52
7.3.160.0130.00316.42
7.3.120.0030.01314.77
7.2.330.0160.00316.52
7.2.320.0030.01516.70
7.2.310.0060.01316.73
7.2.300.0070.01316.71
7.2.290.0070.01016.79
7.2.60.0070.00416.77
7.2.00.0030.01219.54
7.1.200.0040.00815.71
7.1.100.0000.01417.83
7.1.70.0000.00717.20
7.1.60.0150.00919.46
7.1.50.0130.01316.96
7.1.00.0070.08722.45
7.0.200.0060.00316.81
7.0.140.0100.06721.97
7.0.110.0500.07321.71
7.0.100.0100.04321.86
7.0.90.0130.06721.70
7.0.80.0070.08721.82
7.0.70.0170.07321.76
7.0.60.0070.06721.62
7.0.50.0070.08322.23
7.0.40.0100.08320.19
7.0.30.0100.07720.06
7.0.20.0000.07720.04
7.0.10.0100.08020.02
7.0.00.0070.08719.99
5.6.280.0070.07020.81
5.6.260.0130.08020.85
5.6.250.0130.07720.64
5.6.240.0170.07720.53
5.6.230.0100.08320.57
5.6.220.0070.08320.63
5.6.210.0100.06020.54
5.6.200.0100.06321.10
5.6.190.0070.05020.91
5.6.180.0230.06320.91
5.6.170.0000.08321.24
5.6.160.0070.08321.10
5.6.150.0070.08321.09
5.6.140.0030.08321.21
5.6.130.0100.08321.07
5.6.120.0030.08720.90
5.6.110.0070.05020.88
5.6.100.0030.08020.90
5.6.90.0100.09321.12
5.6.80.0070.03720.37
5.6.70.0030.05020.47
5.6.60.0070.07020.41
5.6.50.0000.05320.55
5.6.40.0100.07720.25
5.6.30.0000.08720.34
5.6.20.0130.06720.26
5.6.10.0100.06720.36
5.6.00.0070.04320.22
5.5.380.0030.09720.52
5.5.370.0100.08020.53
5.5.360.0170.04320.51
5.5.350.0070.07720.43
5.5.340.0100.07720.74
5.5.330.0030.05021.00
5.5.320.0030.04720.95
5.5.310.0070.08720.79
5.5.300.0030.05020.65
5.5.290.0130.07320.63
5.5.280.0100.07320.85
5.5.270.0070.07720.95
5.5.260.0130.07320.95
5.5.250.0070.05320.79
5.5.240.0070.07020.36
5.5.230.0030.04020.04
5.5.220.0100.07720.25
5.5.210.0070.07020.28
5.5.200.0030.06020.12
5.5.190.0070.07720.12
5.5.180.0070.08320.12
5.5.160.0100.06320.20
5.5.150.0000.04320.17
5.5.140.0030.08020.20
5.5.130.0030.07020.14
5.5.120.0030.08320.11
5.5.110.0170.07020.33
5.5.100.0030.04320.10
5.5.90.0070.07320.05
5.5.80.0030.06319.97
5.5.70.0130.07320.09
5.5.60.0070.03720.13
5.5.50.0170.06019.98
5.5.40.0100.07720.15
5.5.30.0100.06719.96
5.5.20.0030.08020.08
5.5.10.0000.05020.06
5.5.00.0030.07720.10
5.4.450.0170.05019.32
5.4.440.0130.07319.36
5.4.430.0130.07019.32
5.4.420.0030.07019.50
5.4.410.0030.07019.38
5.4.400.0000.05319.00
5.4.390.0070.03719.15
5.4.380.0030.07019.23
5.4.370.0130.08019.34
5.4.360.0070.08018.95
5.4.350.0170.07018.95
5.4.340.0070.07018.99
5.4.320.0170.06319.09
5.4.310.0000.04319.31
5.4.300.0100.06019.00
5.4.290.0030.03719.16
5.4.280.0030.07319.01
5.4.270.0100.07019.00
5.4.260.0070.05719.03
5.4.250.0000.04019.00
5.4.240.0070.07318.99
5.4.230.0100.07318.94
5.4.220.0000.09019.16
5.4.210.0000.05019.17
5.4.200.0100.07018.94
5.4.190.0030.08019.00
5.4.180.0030.07719.13
5.4.170.0030.06019.00
5.4.160.0070.07719.22
5.4.150.0130.07019.21
5.4.140.0100.04316.29
5.4.130.0030.06716.32
5.4.120.0030.05316.45
5.4.110.0070.04716.56
5.4.100.0000.06316.47
5.4.90.0100.06316.43
5.4.80.0070.04016.55
5.4.70.0130.06716.29
5.4.60.0070.07016.57
5.4.50.0100.07016.41
5.4.40.0130.05716.68
5.4.30.0070.07316.39
5.4.20.0070.04016.43
5.4.10.0100.07316.44
5.4.00.0170.06015.73
5.3.290.0030.07314.68
5.3.280.0070.08014.62
5.3.270.0070.07714.61
5.3.260.0070.05314.64
5.3.250.0070.07714.60
5.3.240.0000.08314.83
5.3.230.0000.04314.74
5.3.220.0000.07314.43
5.3.210.0070.07314.81
5.3.200.0070.07014.70
5.3.190.0000.07714.58
5.3.180.0100.07014.57
5.3.170.0100.06714.54
5.3.160.0100.06314.57
5.3.150.0170.06714.54
5.3.140.0100.06714.68
5.3.130.0130.06014.69
5.3.120.0070.07714.57
5.3.110.0070.07014.58
5.3.100.0000.04714.02
5.3.90.0030.07314.15
5.3.80.0170.06314.10
5.3.70.0030.06714.05
5.3.60.0100.07014.02
5.3.50.0030.07314.05
5.3.40.0070.05713.96
5.3.30.0070.06313.89
5.3.20.0030.07013.77
5.3.10.0170.06313.79
5.3.00.0130.04313.73
5.2.170.0000.06311.56
5.2.160.0030.06011.56
5.2.150.0030.06711.56
5.2.140.0030.04011.56
5.2.130.0000.06011.56
5.2.120.0030.06311.56
5.2.110.0070.06311.56
5.2.100.0030.05311.56
5.2.90.0030.06311.56
5.2.80.0070.05711.56
5.2.70.0030.06711.56
5.2.60.0030.06311.56
5.2.50.0030.06311.56
5.2.40.0030.04011.56
5.2.30.0100.05311.56
5.2.20.0070.05711.56
5.2.10.0030.06711.56
5.2.00.0030.06011.56
5.1.60.0070.05311.56
5.1.50.0130.04711.56
5.1.40.0030.04311.56
5.1.30.0070.03011.56
5.1.20.0030.04011.56
5.1.10.0070.04311.56
5.1.00.0100.05311.56
5.0.50.0000.05011.56
5.0.40.0030.04011.56
5.0.30.0070.06011.56
5.0.20.0100.03711.56
5.0.10.0070.04011.56
5.0.00.0000.06711.56
4.4.90.0000.03711.56
4.4.80.0070.01711.56
4.4.70.0070.03311.56
4.4.60.0070.03311.56
4.4.50.0030.03311.56
4.4.40.0000.05311.56
4.4.30.0030.03711.56
4.4.20.0030.03711.56
4.4.10.0030.03711.56
4.4.00.0000.03011.56
4.3.110.0030.03011.56
4.3.100.0070.02711.56
4.3.90.0070.03311.56
4.3.80.0100.04311.56
4.3.70.0000.03711.56
4.3.60.0070.03011.56
4.3.50.0030.02011.56
4.3.40.0000.05311.56
4.3.30.0030.02711.56
4.3.20.0030.03711.56
4.3.10.0030.03311.56
4.3.00.0000.03311.56

preferences:
38.27 ms | 400 KiB | 5 Q