3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = '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'; $b = 'PHA+QW1hem9uIG5lIHRyYW5zbWV0IHBhcyBkJ2luZm9ybWF0aW9uIHN1ciBsZSBtb2RlIGQnZXhww6lkaXRpb24gw6AgbCdpbXBvcnRhdGlvbiBkZSBsYSBjb21tYW5kZS48L3A+CjxwPlZvdXMgcG91dmV6IGNob2lzaXIgaWNpIGxlcyBtb2RlcyBkJ2V4cMOpZGl0aW9uIGRpc3BvbmlibGVzIHN1ciB2b3RyZSBib3V0aXF1ZS4gVm91cyBwb3V2ZXogYXVzc2kgZMOpZmluaXIgdm91cy1tw6ptZSwgbGVzIHZhbGV1cnMgcHJvcG9zw6llcyBkYW5zIGxhIGxpc3RlIGRlIGNob2l4LiBQb3VyIGNlbGEsIHJlbmRlei12b3VzIGRhbnMgbGUgdGFibGVhdSBkJ2FkbWluaXN0cmF0aW9uIGRlIFByZXN0YVNob3AsIHB1aXMsIHNvdXMgIkV4cMOpZGl0aW9uIiA+ICJTZXJ2aWNlIGQnZXhww6lkaXRpb24iLjwvcD4KPHA+Q2UgcsOpZ2xhZ2UgZXN0IGltcG9ydGFudCBwb3VyIGwnaW1wcmVzc2lvbiBkZXMgYm9ucyBkZSBsaXZyYWlzb24gZXQgZmFjdHVyZXMsIGFpbnNpIHF1ZSBwb3VyIGxlIHRyYWl0ZW1lbnQgdWx0w6lyaWV1ciBkZSBsYSBjb21tYW5kZSBlbiBib3V0aXF1ZSBldCBwb3VyIGxhIGdlc3Rpb24gZHUgc3RvY2suPC9wPg=='; $a = base64_decode($a); $b = base64_decode($b); $a = str_replace("\r", '', $a); $b = str_replace("\r", '', $b); $a = json_encode($a); $b = json_encode($b); var_dump($a); echo "\n\n"; var_dump($b);

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)
8.3.70.0150.00018.30
8.3.60.0070.01116.38
8.3.50.0170.00218.25
8.3.40.0070.00718.89
8.3.30.0110.00418.53
8.3.20.0040.00421.76
8.3.10.0050.00321.73
8.3.00.0050.00317.80
8.2.180.0110.01118.29
8.2.170.0100.00722.96
8.2.160.0110.00420.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0080.00020.58
8.2.120.0040.00426.35
8.2.110.0100.00022.22
8.2.100.0120.00017.91
8.2.90.0080.00019.22
8.2.80.0040.00418.03
8.2.70.0060.00317.50
8.2.60.0000.00817.80
8.2.50.0040.00418.10
8.2.40.0000.00822.36
8.2.30.0040.00419.10
8.2.20.0030.00718.00
8.2.10.0050.00317.96
8.2.00.0040.00418.07
8.1.280.0120.00625.92
8.1.270.0070.00018.86
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00622.05
8.1.230.0060.00617.64
8.1.220.0030.00617.74
8.1.210.0080.00018.77
8.1.200.0060.00317.10
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0060.00318.47
8.1.160.0000.00718.90
8.1.150.0000.00820.66
8.1.140.0020.00519.52
8.1.130.0040.00420.61
8.1.120.0000.00817.30
8.1.110.0070.00017.43
8.1.100.0050.00217.39
8.1.90.0000.00717.35
8.1.80.0020.00517.38
8.1.70.0040.00417.42
8.1.60.0040.00417.47
8.1.50.0000.00817.36
8.1.40.0000.00817.36
8.1.30.0000.00717.59
8.1.20.0030.00517.49
8.1.10.0000.00817.39
8.1.00.0000.00817.46
8.0.300.0080.00019.88
8.0.290.0000.00816.58
8.0.280.0000.00718.50
8.0.270.0000.00717.25
8.0.260.0000.00618.40
8.0.250.0070.00016.90
8.0.240.0030.00316.91
8.0.230.0030.00316.86
8.0.220.0030.00316.85
8.0.210.0000.00616.75
8.0.200.0030.00316.86
8.0.190.0070.00016.76
8.0.180.0050.00216.90
8.0.170.0040.00416.77
8.0.160.0040.00416.76
8.0.150.0100.00516.76
8.0.140.0030.00316.75
8.0.130.0030.00313.26
8.0.120.0000.00716.83
8.0.110.0000.00816.78
8.0.100.0030.00516.73
8.0.90.0040.00416.73
8.0.80.0040.01316.78
8.0.70.0000.00716.77
8.0.60.0000.00816.88
8.0.50.0040.00416.77
8.0.30.0070.01217.04
8.0.20.0160.00517.40
8.0.10.0040.00416.88
8.0.00.0100.01116.59
7.4.330.0030.00315.55
7.4.320.0060.00016.51
7.4.300.0000.00716.59
7.4.290.0030.00316.48
7.4.280.0030.00516.45
7.4.270.0030.00516.46
7.4.260.0100.00016.50
7.4.250.0000.00716.50
7.4.240.0000.00716.49
7.4.230.0080.00016.59
7.4.220.0070.01016.43
7.4.210.0150.00016.54
7.4.200.0000.00716.42
7.4.160.0030.01316.34
7.4.150.0040.01317.40
7.4.140.0110.01017.86
7.4.130.0130.00616.33
7.4.120.0090.01016.52
7.4.110.0000.01716.59
7.4.100.0170.00616.26
7.4.90.0100.00716.47
7.4.80.0090.01019.39
7.4.70.0040.01216.46
7.4.60.0060.01016.59
7.4.50.0070.00716.30
7.4.40.0110.01116.37
7.4.30.0120.01116.35
7.4.00.0030.01414.93
7.3.330.0000.00713.09
7.3.320.0000.00512.99
7.3.310.0030.00316.29
7.3.300.0060.00016.11
7.3.290.0080.00716.15
7.3.280.0060.01116.13
7.3.270.0170.00017.40
7.3.260.0150.00216.26
7.3.250.0120.00916.24
7.3.240.0110.00616.18
7.3.230.0100.00716.21
7.3.210.0130.00616.40
7.3.200.0100.01316.27
7.3.190.0060.01116.27
7.3.180.0130.00316.25
7.3.170.0070.01116.34
7.3.160.0050.01116.32
7.3.10.0060.00816.43
7.3.00.0080.00716.30
7.2.330.0060.01216.73
7.2.320.0100.01016.64
7.2.310.0080.00816.39
7.2.300.0000.01616.57
7.2.290.0030.01216.64
7.2.130.0030.01216.90
7.2.120.0060.01016.57
7.2.110.0080.00616.75
7.2.100.0080.00916.70
7.2.90.0070.00816.79
7.2.80.0070.00816.63
7.2.70.0060.00716.82
7.2.60.0050.00816.71
7.2.50.0050.00916.77
7.2.40.0060.01016.74
7.2.30.0050.00716.54
7.2.20.0060.01016.64
7.2.10.0070.00716.63
7.2.00.0070.00616.68
7.1.250.0080.00415.64
7.1.200.0060.00015.41
7.1.70.0090.00616.86
7.1.60.1330.01733.22
7.1.50.1000.01032.77
7.1.40.1500.01032.52
7.1.30.2200.02032.71
7.1.20.1270.01332.86
7.1.10.1300.01314.65
7.1.00.1430.01314.80
7.0.200.0870.01014.75
7.0.190.1800.01014.96
7.0.180.0900.01314.58
7.0.170.1470.01014.53
7.0.160.1370.01314.58
7.0.150.1470.00714.13
7.0.140.1100.01714.39
7.0.130.1030.00714.54
7.0.120.1270.00314.77
7.0.110.1030.01314.32
7.0.100.1030.01314.32
7.0.90.1070.01014.49
7.0.80.1230.01314.58
7.0.70.1670.01014.16
7.0.60.1430.01014.15
7.0.50.1030.00714.57
7.0.40.0830.01014.52
7.0.30.0770.00714.74
7.0.20.0830.00714.52
7.0.10.0770.01014.69
7.0.00.0700.01014.71

preferences:
54.03 ms | 401 KiB | 5 Q