substr - related questions

What is substr in php?

substr is used to return a part of a string

Two arguments can be passed to the substr

1. start value

2. length value

Examples

1. start value

substr('interview',1); // returns "nterview"

substr('interview',-2); //returns "ew"

2. Length value

substr('interview',-2,1); //the output is "e"

substr('interview',-3,-2); //the output is "i"

substr('interview',1,2); //the out put is "nt"

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