diff --git a/pages/linux/phpdismod.md b/pages/linux/phpdismod.md
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+++ b/pages/linux/phpdismod.md
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+# phpdismod
+
+> Disable PHP extensions on Debian-based OSes.
+
+- Disable the json extension for every SAPI of every PHP version:
+
+`sudo phpdismod {{json}}`
+
+- Disable the json extension for PHP 7.3 with the cli SAPI:
+
+`sudo phpdismod -v {{7.3}} -s {{cli}} {{json}}`
diff --git a/pages/linux/phpenmod.md b/pages/linux/phpenmod.md
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+# phpenmod
+
+> Enable PHP extensions on Debian-based OSes.
+
+- Enable the json extension for every SAPI of every PHP version:
+
+`sudo phpenmod {{json}}`
+
+- Enable the json extension for PHP 7.3 with the cli SAPI:
+
+`sudo phpenmod -v {{7.3}} -s {{cli}} {{json}}`
diff --git a/pages/linux/phpquery.md b/pages/linux/phpquery.md
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+++ b/pages/linux/phpquery.md
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+# phpquery
+
+> PHP extension manager for Debian-based OSes.
+
+- List available PHP versions:
+
+`sudo phpquery -V`
+
+- List available SAPIs for PHP 7.3:
+
+`sudo phpquery -v {{7.3}} -S`
+
+- List enabled extensions for PHP 7.3 with the cli SAPI:
+
+`sudo phpquery -v {{7.3}} -s {{cli}} -M`
+
+- Check if the json extension is enabled for PHP 7.3 with the apache2 SAPI:
+
+`sudo phpquery -v {{7.3}} -s {{apache2}} -m {{json}}`