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 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)
8.3.60.0100.00716.37
8.3.50.0100.00816.40
8.3.40.0060.00918.52
8.3.30.0040.01118.54
8.3.20.0090.00018.79
8.3.10.0080.00018.73
8.3.00.0100.00019.02
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0070.01019.02
8.2.150.0060.00324.18
8.2.140.0050.00324.66
8.2.130.0000.00826.16
8.2.120.0080.00020.73
8.2.110.0030.00622.08
8.2.100.0120.00019.73
8.2.90.0000.01019.28
8.2.80.0050.00318.52
8.2.70.0000.00817.63
8.2.60.0090.00017.25
8.2.50.0000.00717.93
8.2.40.0050.00319.35
8.2.30.0060.00317.56
8.2.20.0050.00517.49
8.2.10.0040.00417.57
8.2.00.0040.00417.71
8.1.270.0000.00823.99
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00720.70
8.1.230.0000.01217.77
8.1.220.0000.00717.88
8.1.210.0080.00018.77
8.1.200.0000.00817.35
8.1.190.0000.00817.23
8.1.180.0040.00418.10
8.1.170.0040.00417.62
8.1.160.0000.00719.03
8.1.150.0000.00718.59
8.1.140.0040.00417.50
8.1.130.0020.00519.34
8.1.120.0040.00417.38
8.1.110.0080.00017.38
8.1.100.0040.00417.49
8.1.90.0000.00717.50
8.1.80.0000.00717.52
8.1.70.0030.00317.45
8.1.60.0030.00617.61
8.1.50.0070.00017.54
8.1.40.0040.00417.41
8.1.30.0090.00017.54
8.1.20.0080.00017.70
8.1.10.0000.00717.51
8.1.00.0000.00717.50
8.0.300.0070.00018.77
8.0.290.0000.01116.63
8.0.280.0000.00818.56
8.0.270.0000.00717.25
8.0.260.0000.00716.68
8.0.250.0000.00816.98
8.0.240.0040.00416.91
8.0.230.0030.00316.93
8.0.220.0040.00416.77
8.0.210.0030.00316.72
8.0.200.0030.00316.91
8.0.190.0000.00716.86
8.0.180.0090.00116.79
8.0.170.0000.00816.75
8.0.160.0030.00316.82
8.0.150.0040.00416.67
8.0.140.0030.00716.79
8.0.130.0030.00313.14
8.0.120.0000.00816.79
8.0.110.0040.00416.84
8.0.100.0050.00216.75
8.0.90.0030.00516.77
8.0.80.0100.00716.86
8.0.70.0070.00016.96
8.0.60.0040.00416.84
8.0.50.0090.00016.78
8.0.30.0090.00917.07
8.0.20.0110.00617.00
8.0.10.0000.00816.87
8.0.00.0120.00616.79
7.4.330.0040.00013.02
7.4.320.0000.00616.60
7.4.300.0030.00316.46
7.4.290.0040.00416.46
7.4.280.0030.00516.57
7.4.270.0030.00316.64
7.4.260.0060.00013.22
7.4.250.0000.00816.50
7.4.240.0030.00316.50
7.4.230.0070.00316.45
7.4.220.0100.01016.40
7.4.210.0160.00016.63
7.4.200.0030.00616.39
7.4.190.0040.00416.44
7.4.160.0120.00316.50
7.4.150.0130.00316.51
7.4.140.0030.01716.46
7.4.130.0070.01016.32
7.4.120.0070.01016.72
7.4.110.0150.00916.41
7.4.100.0110.00816.51
7.4.90.0120.01216.39
7.4.80.0100.01319.39
7.4.70.0030.01616.60
7.4.60.0040.01116.49
7.4.50.0030.00316.52
7.4.40.0060.00616.42
7.4.30.0140.00816.57
7.4.00.0080.00814.91
7.3.330.0030.00313.30
7.3.320.0050.00013.17
7.3.310.0070.00016.13
7.3.300.0060.00016.26
7.3.290.0090.00616.34
7.3.280.0030.01016.29
7.3.270.0060.01016.50
7.3.260.0040.01416.63
7.3.250.0130.00816.45
7.3.240.0170.00016.64
7.3.230.0130.00316.27
7.3.210.0090.00816.60
7.3.200.0120.00616.74
7.3.190.0130.00416.34
7.3.180.0030.01316.50
7.3.170.0080.00816.63
7.3.160.0100.00716.56
7.3.120.0030.01315.01
7.3.110.0030.01415.09
7.3.100.0100.00614.87
7.3.90.0090.00014.93
7.3.80.0080.00314.74
7.3.70.0040.01114.98
7.3.60.0070.00714.91
7.3.50.0000.00914.55
7.3.40.0090.00614.70
7.3.30.0070.00714.81
7.3.20.0030.00616.73
7.3.10.0060.00916.58
7.3.00.0070.00716.62
7.2.330.0100.00616.52
7.2.320.0030.01316.69
7.2.310.0100.01316.63
7.2.300.0070.01016.41
7.2.290.0000.01516.69
7.2.250.0030.01615.13
7.2.240.0070.01315.00
7.2.230.0060.00914.66
7.2.220.0060.00315.18
7.2.210.0030.01015.18
7.2.200.0070.00715.09
7.2.190.0000.01514.82
7.2.180.0070.00715.13
7.2.170.0070.00915.07
7.2.00.0120.00319.40
7.1.330.0070.00715.48
7.1.320.0040.00715.62
7.1.310.0040.01115.84
7.1.300.0060.00315.80
7.1.290.0000.01815.57
7.1.280.0130.00715.75
7.1.270.0040.01615.75
7.1.260.0000.00915.88
7.1.100.0280.00618.14
7.1.70.0000.01017.20
7.1.60.0060.01919.30
7.1.50.0100.01316.95
7.1.00.0000.07022.30
7.0.200.0090.00016.84
7.0.140.0100.06721.95
7.0.120.0030.07321.96
7.0.60.0070.08719.95
7.0.50.0030.04717.98
7.0.40.0070.08320.09
7.0.30.0400.06720.16
7.0.20.0230.06320.07
7.0.10.0130.06720.23
7.0.00.0100.05320.16
5.6.280.0070.07020.83
5.6.210.0100.08020.48
5.6.200.0070.08018.18
5.6.190.0100.08320.52
5.6.180.0200.04320.52
5.6.170.0270.08020.50
5.6.160.0130.07020.39
5.6.150.0070.05718.16
5.6.140.0000.04018.16
5.6.130.0100.05318.27
5.6.120.0070.05721.03
5.6.110.0100.07721.02
5.6.100.0130.08320.99
5.6.90.0170.07720.88
5.6.80.0170.03720.39
5.5.350.0070.07720.32
5.5.340.0030.04717.99
5.5.330.0070.04320.42
5.5.320.3900.04320.36
5.5.310.0400.06720.30
5.5.300.0130.07717.94
5.5.290.0070.05017.94
5.5.280.0100.05320.97
5.5.270.0100.05320.95
5.5.260.0100.07020.64
5.5.250.0030.04320.55
5.5.240.0130.07020.16
5.4.450.0030.04019.25
5.4.440.0070.03719.57
5.4.430.0000.04019.17
5.4.420.0000.04019.47
5.4.410.0070.03319.32
5.4.400.0000.04019.06
5.4.390.0000.04018.85
5.4.380.0030.03719.24
5.4.370.0000.04019.16
5.4.360.0030.03719.20
5.4.350.0100.03718.98
5.4.340.0130.02719.24
5.4.320.0000.04019.14
5.4.310.0130.03319.25
5.4.300.0100.07019.14
5.4.290.0100.08019.24
5.4.280.0170.05719.14
5.4.270.0030.07018.85
5.4.260.0130.06319.14
5.4.250.0070.04719.13
5.4.240.0000.08718.88
5.4.230.0070.04019.23
5.4.220.0070.04019.23
5.4.210.0100.03719.07
5.4.200.0100.07319.11
5.4.190.0130.07019.14
5.4.180.0070.04319.13
5.4.170.0070.07719.07
5.4.160.0070.06019.22
5.4.150.0030.04319.13
5.4.140.0130.06716.40
5.4.130.0100.05716.43
5.4.120.0030.06316.29
5.4.110.0100.06016.39
5.4.100.0000.06716.58
5.4.90.0170.06016.39
5.4.80.0070.07016.49
5.4.70.0070.06016.32
5.4.60.0100.06316.40
5.4.50.0100.06316.27
5.4.40.0130.04716.36
5.4.30.0100.06716.64
5.4.20.0200.03716.40
5.4.10.0100.07016.42
5.4.00.0000.07715.87
5.3.290.0070.03314.72
5.3.280.0030.05014.62
5.3.270.0130.07314.66
5.3.260.0000.05314.66
5.3.250.0070.07314.60
5.3.240.0070.04714.76
5.3.230.0070.06714.65
5.3.220.0000.05014.73
5.3.210.0000.07714.59
5.3.200.0100.06014.62
5.3.190.0000.06014.57
5.3.180.0030.08014.60
5.3.170.0070.05014.60
5.3.160.0030.07714.46
5.3.150.0130.06714.59
5.3.140.0030.06014.63
5.3.130.0100.06014.71
5.3.120.0030.05014.71
5.3.110.0070.08014.62
5.3.100.0070.07013.94
5.3.90.0030.07014.18
5.3.80.0070.07014.17
5.3.70.0000.08014.02
5.3.60.0100.04313.98
5.3.50.0000.08313.98
5.3.40.0130.06313.96
5.3.30.0030.06713.96
5.3.20.0030.04013.69
5.3.10.0030.06313.68
5.3.00.0130.06013.64
5.2.170.0070.06011.15
5.2.160.0070.03711.21
5.2.150.0100.05011.07
5.2.140.0100.03311.21
5.2.130.0000.03311.18
5.2.120.0100.06011.16
5.2.110.0170.05011.06
5.2.100.0030.06311.00
5.2.90.0030.03711.27
5.2.80.0070.06011.13
5.2.70.0130.04311.07
5.2.60.0000.03011.21
5.2.50.0070.06011.02
5.2.40.0030.04311.15
5.2.30.0030.05310.97
5.2.20.0070.05011.12
5.2.10.0000.06310.86
5.2.00.0100.06010.68
5.1.60.0000.04710.02
5.1.50.0030.05710.06
5.1.40.0000.0479.98
5.1.30.0030.05710.50
5.1.20.0070.04010.52
5.1.10.0030.04010.12
5.1.00.0070.04310.03
5.0.50.0030.0438.54
5.0.40.0000.0508.44
5.0.30.0070.0408.20
5.0.20.0000.0238.20
5.0.10.0030.0208.17
5.0.00.0070.0638.21
4.4.90.0000.0207.81
4.4.80.0000.0237.81
4.4.70.0130.0277.81
4.4.60.0030.0237.81
4.4.50.0000.0237.81
4.4.40.0030.0337.81
4.4.30.0030.0377.81
4.4.20.0000.0237.81
4.4.10.0070.0337.81
4.4.00.0030.0537.81
4.3.110.0030.0337.81
4.3.100.0000.0207.81
4.3.90.0000.0307.81
4.3.80.0030.0407.81
4.3.70.0070.0137.81
4.3.60.0030.0137.81
4.3.50.0000.0177.81
4.3.40.0030.0477.81
4.3.30.0030.0277.81
4.3.20.0000.0207.81
4.3.10.0070.0137.81
4.3.00.0000.0177.81

preferences:
59.61 ms | 400 KiB | 5 Q