I wanna write a script which will count the number of occurrence of a given string from a text file.
Suppose a text file content many phone numbers and many of them occurs several times on that text file.I am gonna provide a particular number and i want that script to count the number of presence of that given number.
Ex:
Suppose the number 9988112233 occurs 15 times in a certain text file.So the script should return 15.
Hope i am clear..

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standard php function

substr-count

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thanks for reply ..but how can i implement this with the file??

thanks a lot for help...!!!I have done it...

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