Tag Archives: validation

HTML Validation via Client Input or Regular Expression Tutorial

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Our attitude to validation is “to get in there early”, so no matter how effective the recent PHP Form Validation via Filter Regular Expression Tutorial is with its data validation, this serverside validation can’t beat client validation you do right … Continue reading →

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Parsing Relative Url Tutorial

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Recently, the idea of … relative URLs … versus … absolute URLs … has been of interest to us because PHP’s glob function is so useful for those savvy users out there satisfied with relative URL definitions for their input … Continue reading →

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PHP Form Validation via Filter Regular Expression Tutorial

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With the recent PHP Form Validation via Filter Extension Tutorial we avoided “the elephant in the room” that being the use of regular expressions. No, Nala, not 😀 or even 🤪 but the definition of a date data item (or … Continue reading →

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PHP Form Validation via Filter Extension Tutorial

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Our recent Javascript and PHP Base64 Primer Tutorial with its Base64 thoughts, the … echo “<textarea id=tb64 cols=100 rows=10>” . base64_decode(urldecode($_POST[‘base64′])) . “</textarea><br>”; … of which we adopt for today’s PHP code, set our minds towards HTML form thoughts and … Continue reading →

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Freeformatter Validation Primer Tutorial

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It is our considered opinion that for content editors of reasonably large chunks of HTML the HTML Validator at the Freeformatter website can be a very useful tool. It saved our bacon one day with one of our blog postings … Continue reading →

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HTML5 Form API Validation Primer Tutorial

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HTML5 is more than just the “5” tagged on. Take a look at this list of API related parts to the HTML5 specification. As you may have gleaned from our recent HTML Input Element Types Randomized History Tutorial a lot … Continue reading →

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Regular Expression Object Primer Tutorial

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When you are gathering information from an HTML form and want to make sure the information is likely to be valid before moving on you will often want to call on … HTML form method=’GET’ (so that we can stick … Continue reading →

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HTML Internet Explorer Conditional Comment Primer Tutorial

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When writing HTML code there is a means by which you can differentiate … external Cascading Style Sheets … and … HTML elements … as to whether they will be considered by an Internet Explorer browser, of any version. The … Continue reading →

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