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 "\n"; 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)
8.3.40.0070.00718.71
8.3.30.0000.01518.92
8.3.20.0040.00420.46
8.3.10.0040.00423.61
8.3.00.0090.00019.38
8.2.170.0110.00422.96
8.2.160.0070.00719.16
8.2.150.0040.01124.18
8.2.140.0140.00324.66
8.2.130.0110.00726.16
8.2.120.0050.00222.26
8.2.110.0040.00722.08
8.2.100.0040.00817.91
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0070.00417.63
8.2.60.0000.00717.93
8.2.50.0060.00318.07
8.2.40.0090.00018.34
8.2.30.0000.00918.02
8.2.20.0090.00017.70
8.2.10.0000.00717.94
8.2.00.0060.00317.77
8.1.270.0030.00623.70
8.1.260.0000.00826.35
8.1.250.0160.00028.09
8.1.240.0090.00022.69
8.1.230.0060.00617.82
8.1.220.0000.00917.74
8.1.210.0060.00318.77
8.1.200.0060.00317.38
8.1.190.0040.00417.40
8.1.180.0000.00818.10
8.1.170.0090.00018.59
8.1.160.0070.00022.07
8.1.150.0040.00418.68
8.1.140.0000.00817.42
8.1.130.0000.00717.85
8.1.120.0030.00417.46
8.1.110.0070.00017.46
8.1.100.0050.00317.44
8.1.90.0070.00017.51
8.1.80.0030.00317.47
8.1.70.0030.00317.45
8.1.60.0040.00417.65
8.1.50.0040.00417.50
8.1.40.0060.00317.52
8.1.30.0040.00417.47
8.1.20.0040.00417.66
8.1.10.0000.00717.51
8.1.00.0050.00217.38
8.0.300.0000.00718.77
8.0.290.0070.00017.04
8.0.280.0030.00318.45
8.0.270.0030.00517.20
8.0.260.0070.00016.71
8.0.250.0040.00416.95
8.0.240.0000.00816.95
8.0.230.0030.00316.75
8.0.220.0000.00716.71
8.0.210.0040.00416.76
8.0.200.0030.00516.76
8.0.190.0040.00416.86
8.0.180.0070.00016.73
8.0.170.0050.00316.80
8.0.160.0000.00716.88
8.0.150.0000.00716.80
8.0.140.0030.00316.81
8.0.130.0030.00313.26
8.0.120.0040.00416.86
8.0.110.0050.00216.90
8.0.100.0040.00316.85
8.0.90.0070.00016.85
8.0.80.0000.01616.88
8.0.70.0000.00716.89
8.0.60.0040.00416.71
8.0.50.0000.00716.80
8.0.30.0090.01216.99
8.0.20.0110.00817.41
8.0.10.0050.00216.81
8.0.00.0080.01416.85
7.4.330.0000.00515.13
7.4.320.0000.00616.45
7.4.300.0000.00616.61
7.4.290.0030.00516.64
7.4.280.0000.00816.61
7.4.270.0030.00316.63
7.4.260.0000.00816.53
7.4.250.0030.00616.57
7.4.240.0040.00316.49
7.4.230.0000.00716.70
7.4.220.0060.01016.56
7.4.210.0060.00916.56
7.4.200.0080.00016.41
7.4.190.0000.00716.41
7.4.160.0070.01016.57
7.4.150.0140.01117.40
7.4.140.0050.01517.86
7.4.130.0090.00816.56
7.4.120.0080.01116.52
7.4.110.0060.01016.35
7.4.100.0110.00716.36
7.4.90.0140.00316.52
7.4.80.0060.01819.39
7.4.70.0100.00716.46
7.4.60.0120.00616.41
7.4.50.0000.00516.48
7.4.40.0000.01122.77
7.4.30.0030.01316.43
7.4.00.0070.01015.05
7.3.330.0050.00013.30
7.3.320.0050.00013.16
7.3.310.0040.00416.29
7.3.300.0070.00016.32
7.3.290.0070.00716.34
7.3.280.0080.00816.24
7.3.270.0070.01117.40
7.3.260.0100.00716.50
7.3.250.0090.01016.34
7.3.240.0090.00916.43
7.3.230.0030.01516.44
7.3.210.0080.00816.30
7.3.200.0130.01019.39
7.3.190.0070.01516.45
7.3.180.0070.01016.30
7.3.170.0030.01316.48
7.3.160.0060.01516.59
7.3.120.0090.00714.96
7.3.110.0070.01014.86
7.3.100.0090.00514.77
7.3.90.0060.00914.64
7.3.80.0060.00914.68
7.3.70.0060.00814.89
7.3.60.0020.01214.67
7.3.50.0060.00814.84
7.3.40.0040.00914.80
7.3.30.0060.00814.87
7.3.20.0080.00416.60
7.3.10.0110.00516.39
7.3.00.0070.00716.35
7.2.330.0110.00716.80
7.2.320.0030.01316.34
7.2.310.0090.01016.68
7.2.300.0120.00916.61
7.2.290.0090.01116.80
7.2.250.0110.00815.00
7.2.240.0040.01614.86
7.2.230.0090.00615.14
7.2.220.0070.00815.05
7.2.210.0090.00714.85
7.2.200.0060.01114.84
7.2.190.0090.00314.86
7.2.180.0030.01215.19
7.2.170.0070.00715.02
7.2.130.0130.00316.36
7.2.120.0030.01316.21
7.2.110.0130.00616.35
7.2.100.0040.01416.41
7.2.90.0140.00316.17
7.2.80.0120.00616.22
7.2.70.0090.00916.34
7.2.60.0060.01116.60
7.2.50.0130.00316.33
7.2.40.0120.00816.43
7.2.30.0100.01016.18
7.2.20.0240.00416.72
7.2.10.0070.01116.63
7.2.00.0190.00816.93
7.1.330.0030.01215.76
7.1.320.0080.00615.58
7.1.310.0110.00515.86
7.1.300.0070.00615.82
7.1.290.0100.00515.86
7.1.280.0050.00615.86
7.1.270.0020.01015.70
7.1.260.0040.00815.72
7.1.250.0130.00315.37
7.1.200.0050.00515.89
7.1.70.0050.00517.22
7.1.60.0030.01819.33
7.1.50.0090.00916.99
7.1.00.0100.09022.42
7.0.200.0070.00716.86
7.0.140.0070.07022.09
7.0.100.0070.03320.18
7.0.90.0130.04719.88
7.0.80.0070.04319.97
7.0.70.0030.03319.99
7.0.60.0100.03319.79
7.0.50.0200.07320.28
7.0.40.0070.07719.92
7.0.30.0070.05020.04
7.0.20.0000.07720.14
7.0.10.0030.05020.07
7.0.00.0200.07320.01
5.6.280.0000.07721.03
5.6.250.0030.03720.57
5.6.240.0070.03020.60
5.6.230.0000.04020.62
5.6.220.0130.03020.64
5.6.210.0070.03720.48
5.6.200.0100.07021.03
5.6.190.0070.03721.04
5.6.180.0070.06720.95
5.6.170.0030.08721.02
5.6.160.0130.07021.18
5.6.150.0100.07720.96
5.6.140.0030.06721.09
5.6.130.0070.08021.02
5.6.120.0100.04021.06
5.6.110.0070.09021.07
5.6.100.0100.07720.94
5.6.90.0100.04721.15
5.6.80.0100.08020.56
5.6.70.0130.08020.48
5.6.60.0070.09320.46
5.6.50.0070.07320.35
5.6.40.0130.06020.49
5.6.30.0070.08720.45
5.6.20.0030.05720.45
5.6.10.0100.08020.30
5.6.00.0070.07320.40
5.5.380.0070.04320.42
5.5.370.0030.04320.36
5.5.360.0030.03320.43
5.5.350.0000.04020.43
5.5.340.0070.05720.91
5.5.330.0200.06720.80
5.5.320.0100.07320.87
5.5.310.0130.06720.93
5.5.300.0200.06020.86
5.5.290.0100.07720.79
5.5.280.0130.08320.93
5.5.270.0170.07020.73
5.5.260.0100.07720.64
5.5.250.0100.07020.74
5.5.240.0100.05320.26
5.5.230.0170.07720.25
5.5.220.0130.07020.21
5.5.210.0100.06320.21
5.5.200.0100.04320.18
5.5.190.0030.05320.22
5.5.180.0170.05720.13
5.5.160.0130.07320.09
5.5.150.0100.06320.23
5.5.140.0030.08020.21
5.5.130.0130.04020.23
5.5.120.0070.07020.00
5.5.110.0100.03720.25
5.5.100.0100.08020.07
5.5.90.0070.04320.13
5.5.80.0170.07019.98
5.5.70.0030.08720.16
5.5.60.0130.08020.16
5.5.50.0030.08320.16
5.5.40.0030.07019.94
5.5.30.0130.07020.06
5.5.20.0130.07720.16
5.5.10.0070.07720.04
5.5.00.0030.08020.05
5.4.450.0130.03319.36
5.4.440.0170.05019.41
5.4.430.0100.07319.50
5.4.420.0070.07319.16
5.4.410.0000.08719.36
5.4.400.0070.07719.13
5.4.390.0100.05719.18
5.4.380.0130.07718.88
5.4.370.0100.06319.06
5.4.360.0030.08019.04
5.4.350.0070.07718.95
5.4.340.0100.07019.04
5.4.320.0100.06019.19
5.4.310.0100.07319.14
5.4.300.0170.06019.14
5.4.290.0030.08319.02
5.4.280.0030.07319.08
5.4.270.0070.07719.23
5.4.260.0070.07319.13
5.4.250.0130.06719.24
5.4.240.0000.06719.20
5.4.230.0130.05318.95
5.4.220.0100.06719.03
5.4.210.0170.06319.12
5.4.200.0100.05719.17
5.4.190.0130.03718.93
5.4.180.0070.04019.11
5.4.170.0100.07719.02
5.4.160.0030.08319.05
5.4.150.0070.08019.02
5.4.140.0000.07316.40
5.4.130.0100.06716.49
5.4.120.0070.07316.45
5.4.110.0030.07316.27
5.4.100.0030.05016.28
5.4.90.0200.06716.36
5.4.80.0170.05716.48
5.4.70.0170.07016.46
5.4.60.0030.07716.34
5.4.50.0030.07016.45
5.4.40.0030.07016.35
5.4.30.0070.07316.46
5.4.20.0100.07016.39
5.4.10.0000.08016.45
5.4.00.0100.07015.85
5.3.290.0130.03714.76
5.3.280.0100.04014.52
5.3.270.0100.07314.75
5.3.260.0170.06314.63
5.3.250.0130.06314.73
5.3.240.0030.07714.75
5.3.230.0100.07314.63
5.3.220.0070.05014.60
5.3.210.0070.07714.60
5.3.200.0130.05714.71
5.3.190.0030.07014.50
5.3.180.0030.08714.58
5.3.170.0070.07714.67
5.3.160.0130.07014.70
5.3.150.0070.07014.58
5.3.140.0030.04714.54
5.3.130.0030.07314.52
5.3.120.0070.04314.61
5.3.110.0070.07314.52
5.3.100.0170.05314.00
5.3.90.0130.06014.07
5.3.80.0100.08013.99
5.3.70.0030.08014.15
5.3.60.0070.07314.05
5.3.50.0070.07314.09
5.3.40.0030.06013.93
5.3.30.0030.07714.02
5.3.20.0100.06713.79
5.3.10.0100.06713.67
5.3.00.0070.07713.56
5.2.170.0030.05711.03
5.2.160.0170.04711.29
5.2.150.0070.05311.03
5.2.140.0100.05311.13
5.2.130.0030.05710.96
5.2.120.0070.04711.16
5.2.110.0000.06711.22
5.2.100.0070.07011.16
5.2.90.0030.05711.17
5.2.80.0030.06711.01
5.2.70.0070.07011.15
5.2.60.0100.04710.98
5.2.50.0070.04010.94
5.2.40.0070.06710.93
5.2.30.0130.05310.86
5.2.20.0100.06010.82
5.2.10.0030.05310.98
5.2.00.0070.04710.58
5.1.60.0030.05710.05
5.1.50.0070.05310.00
5.1.40.0100.0479.86
5.1.30.0000.05310.34
5.1.20.0070.05310.21
5.1.10.0030.0579.93
5.1.00.0030.04710.06
5.0.50.0030.0409.00
5.0.40.0070.0409.00
5.0.30.0030.0609.00
5.0.20.0100.0379.00
5.0.10.0030.0479.00
5.0.00.0000.0609.00
4.4.90.0030.0279.00
4.4.80.0030.0309.00
4.4.70.0100.0209.00
4.4.60.0000.0379.00
4.4.50.0070.0279.00
4.4.40.0000.0539.00
4.4.30.0030.0379.00
4.4.20.0030.0309.00
4.4.10.0100.0279.00
4.4.00.0130.0479.00
4.3.110.0070.0279.00
4.3.100.0030.0179.00
4.3.90.0030.0339.00
4.3.80.0030.0309.00
4.3.70.0070.0309.00
4.3.60.0000.0379.00
4.3.50.0070.0139.00
4.3.40.0030.0239.00
4.3.30.0030.0239.00
4.3.20.0030.0339.00
4.3.10.0000.0179.00
4.3.00.0030.0309.00

preferences:
38.87 ms | 400 KiB | 5 Q