3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = "{"transaction_subject":"","payment_date":"16:14:45 Jul 08, 2017 PDT","txn_type":"web_accept","last_name":"Cooper","residence_country":"GB","item_name":"VictoriaHearts 20 credits Special package","payment_gross":"2.99","mc_currency":"USD","business":"paypal_sp@gen.tech","payment_type":"instant","protection_eligibility":"Eligible","verify_sign":"APgiXGyNKmISRWx-0xnMhpadR6s0Aj5QwRnZWvKA4hemgqVQhd6R737K","payer_status":"verified","payer_email":"richard.cooper.ta@gmail.com","txn_id":"09U19195UJ7056802","quantity":"1","receiver_email":"paypal_sp@gen.tech","first_name":"Richard","payer_id":"JLS3WHLT42998","receiver_id":"PECGSM57JG6RS","item_number":"","payment_status":"Completed","payment_fee":"0.42","mc_fee":"0.42","mc_gross":"2.99","custom":"1000000666","charset":"windows-1252","notify_version":"3.8","ipn_track_id":"6ed3f3276f03e"}"; echo http_build_query(json_decode($a, true));

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
7.1.70.0040.00816.61
7.1.60.0140.01135.00
7.1.50.0140.01434.67
7.1.40.0160.01034.30
7.1.30.0160.01034.25
7.1.20.0160.00934.38
7.1.10.0000.01216.32
7.1.00.0030.00816.33
7.0.200.0000.01316.44
7.0.190.0040.00816.18
7.0.180.0090.00915.93
7.0.170.0100.00315.95
7.0.160.0060.00615.75
7.0.150.0000.01215.93
7.0.140.0000.01216.05
7.0.130.0080.00316.23
7.0.120.0070.00416.33
7.0.110.0080.00415.89
7.0.100.0060.00616.25
7.0.90.0000.01116.18
7.0.80.0030.00915.93
7.0.70.0040.00816.10
7.0.60.0090.00315.96
7.0.50.0030.01216.25
7.0.40.0000.01416.36
7.0.30.0030.01016.20
7.0.20.0080.00316.30
7.0.10.0040.00816.16
7.0.00.0100.00016.22

preferences:
132.59 ms | 1398 KiB | 7 Q