Examples of Verbose Comments
ensure image is base64 ---
| | | |
| | | state of being
| | |
| | boolean
| |
| the variable
|
means to validate
<?php
'imageBase64' => [
'filter' => FILTER_CALLBACK,
'options' => function($image) {
// returns null if input contains characters from outside the base64 alphabet
// input contains characters from outside the base64 alphabet?
// input has characters from outside the base64 alphabet?
// input characters from outside the base64 alphabet?
// characters from outside the base64 alphabet?
// characters outside of the base64 alphabet?
// characters outside the base64 alphabet?
// characters outside of base64 alphabet?
// characters outside base64 alphabet?
// is in base64 alphabet
// isBase64()
return base64_decode($image, true) ? $image : null;
},
],