different between sql vs php

sql

sql From the web:

• what sql stands for
• what sql certification is best
• what sql version am i running
• what sql does snowflake use
• what sql does redshift use
• what sql does oracle use
• what sql is used for
• what sql injection

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php

php From the web:

• what php version am i running
• what php stands for
• what php version am i running wordpress
• what php version should i use
• what php is used for
• what php version for wordpress
• what php means
• what php should i use