Modifier Call Comparisons

- 486 Posts
nickf08 Reply #1, 7 years, 2 months ago
Hello all,

I have been wondering how to use the new Evo modifiers and it was suggested in Evo GitHub to post this in the forums.

It appears that there are a number of different ways to write the new modifier calls but what I like the best is the "like for like replacement" with a PHx minimal call - eg
```
[*submenu:is=`no`:then=``:else=`{{sub-menu}}`*]
```
Just wondering if users that are good with the new Evo modifiers could please check #5 below and confirm the equivalent call for the new modifiers.

I will update this post and then perhaps we have a good starting point for a comparison that could eventually be added to the new Evo docs.

Please reply with any other handy PHx / IF / Modifiers Comparisons.

Thanks so much.

1 scenario: If a TV named submenu equals the word no then show nothing, otherwise display a chunk {{sub-menu}}
usage: if / then / else direct in a template

PHx long
```
[+phx:if=`[*submenu*]`:is=`no`:then=``:else=`{{sub-menu}}`+]
```
PHx minimal
```
[*submenu:is=`no`:then=``:else=`{{sub-menu}}`*]
```
IF
```
[[if? &is=`[*submenu*]:is:no` &then=`` &else=`{{sub-menu}}`]]
```
New Modifiers (same as PHx minimal)
```
[*submenu:is=`no`:then=``:else=`{{sub-menu}}`*]
```
2 scenario: If a TV named submenu equals the word yes then show a chunk {{sub-menu}}
usage: if / then direct in a template

PHx long
```
[+phx:if=`[*submenu*]`:is=`yes`:then=`{{sub-menu}}`+]
```
PHx minimal
```
[*submenu:is=`yes`:then=`{{sub-menu}}`*]
```
IF
```
[[if? &is=`[*submenu*]:is:yes` &then=`{{sub-menu}}`]]
```
New Modifiers (same as PHx minimal)
```
[*submenu:is=`yes`:then=`{{sub-menu}}`*]
```
3 scenario: If the longtitle field is empty, display pagetitle - sitname, otherwise display longtitle - sitename
usage: if / then / else direct in a template

PHx long
```
[+phx:if=`[*longtitle*]`:is=``:then=`[*pagetitle*] - [(site_name)]`:else=`[*longtitle*] - [(site_name)]`+]
```
PHx minimal
```
[*longtitle:is=``:then=`[*pagetitle*] - [(site_name)]`:else=`[*longtitle*] - [(site_name)]`*]
```
IF
```
[[if? &is=`[*longtitle*]:empty` &then=`[*pagetitle*] - [(site_name)]` &else=`[*longtitle*] - [(site_name)]`]]
```
New Modifiers (same as PHx minimal)
```
[*longtitle:is=``:then=`[*pagetitle*] - [(site_name)]`:else=`[*longtitle*] - [(site_name)]`*]
```
New Modifiers using "ifempty"
```
[*longtitle:ifempty:then`[*pagetitle*] - [(site_name)]`:else`[*longtitle*] - [(site_name)]`*]
```
4 scenario: If the description field is not empty, display the meta description
usage: if / then direct in a template

PHx long
```
[+phx:if=`[*description*]`:isnot=``:then=`<meta name="description" content="[*description*]">`+]
```
PHx minimal
```
[*description:isnot=``:then=`<meta name="description" content="[*description*]">`*]
```
IF
```
[[if? &is=`[*description*]:!empty` &then=`<meta name="description" content="[*description*]">`]]
```
New Modifiers (same as PHx minimal)
```
[*description:isnot=``:then=`<meta name="description" content="[*description*]">`*]
```
New Modifiers with different method
```
[*description:is=``:then=``:else=`<meta name="description" content="[*description*]">`*]
```
5 scenario: Display 50 words from the content field
usage: in a ditto row template

PHx minimal
```
[+content:word_limit=`50`+]

with a snippet called "phx:word_limit"

<?php
$retval = $output;
$array = explode(" ", $output);
if (count($array)<=$options)
 {
  $retval = $output;
 }
 else
 {
  array_splice($array,$options);
  $retval = implode(" ", $array);
 }
return $retval;
?>
```
New Modifiers
Can this be achieved with the new modifiers?
[ed. note: nickf08 last edited this post 7 years, 1 month ago.]
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