3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('a', 'b', 'c', 'd', null); for($i = 0; $i < count($a); $i += 2) { echo $i . " "; if (array_key_exists($i + 1, $a)) { echo $a[$i + 1] . " "; } echo ($i + 1) . PHP_EOL; }

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)
8.3.60.0120.00318.27
8.3.50.0070.00716.50
8.3.40.0000.01418.70
8.3.30.0060.01318.79
8.3.20.0040.00720.21
8.3.10.0080.00023.52
8.3.00.0090.00019.81
8.2.180.0100.01016.50
8.2.170.0110.00422.96
8.2.160.0040.01119.04
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0070.00319.08
8.2.120.0020.00526.35
8.2.110.0030.00620.47
8.2.100.0120.00018.03
8.2.90.0040.00419.29
8.2.80.0040.00417.97
8.2.70.0000.00817.60
8.2.60.0030.00518.13
8.2.50.0080.00018.10
8.2.40.0000.00720.55
8.2.30.0040.00419.19
8.2.20.0070.00018.23
8.2.10.0050.00318.05
8.2.00.0030.00517.96
8.1.280.0110.00425.92
8.1.270.0040.00422.06
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0100.00020.76
8.1.230.0090.00319.17
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0030.00617.10
8.1.180.0000.00918.10
8.1.170.0000.00918.64
8.1.160.0040.00418.93
8.1.150.0060.00318.88
8.1.140.0020.00519.57
8.1.130.0000.00718.95
8.1.120.0070.00017.53
8.1.110.0030.00617.31
8.1.100.0040.00417.35
8.1.90.0080.00017.47
8.1.80.0040.00417.45
8.1.70.0000.00717.34
8.1.60.0050.00317.63
8.1.50.0030.00517.55
8.1.40.0030.00617.48
8.1.30.0050.00217.75
8.1.20.0000.00817.56
8.1.10.0030.00517.48
8.1.00.0040.00417.52
8.0.300.0050.00318.77
8.0.290.0000.00716.63
8.0.280.0070.00018.38
8.0.270.0000.00717.18
8.0.260.0030.00316.82
8.0.250.0070.00016.96
8.0.240.0070.00016.96
8.0.230.0000.00716.96
8.0.220.0070.00016.89
8.0.210.0040.00316.79
8.0.200.0030.00316.94
8.0.190.0030.00616.99
8.0.180.0000.00716.95
8.0.170.0040.00416.77
8.0.160.0030.00316.79
8.0.150.0000.00816.86
8.0.140.0050.00216.86
8.0.130.0000.00513.41
8.0.120.0000.00716.88
8.0.110.0040.00416.81
8.0.100.0080.00016.78
8.0.90.0040.00416.73
8.0.80.0000.01716.91
8.0.70.0000.00716.95
8.0.60.0040.00416.75
8.0.50.0000.00716.92
8.0.30.0140.00517.21
8.0.20.0140.00917.40
8.0.10.0000.00716.96
8.0.00.0130.01016.79
7.4.330.0070.00015.55
7.4.320.0050.00216.48
7.4.300.0000.00616.50
7.4.290.0030.00516.52
7.4.280.0050.00316.45
7.4.270.0030.00316.45
7.4.260.0030.00316.61
7.4.250.0030.00316.48
7.4.240.0040.00416.53
7.4.230.0030.00316.35
7.4.220.0150.00316.58
7.4.210.0030.01616.56
7.4.200.0030.00316.67
7.4.160.0090.00616.43
7.4.150.0160.00617.40
7.4.140.0110.00817.86
7.4.130.0070.01316.45
7.4.120.0110.01116.55
7.4.110.0060.01216.33
7.4.100.0130.01016.59
7.4.90.0070.01116.58
7.4.80.0070.01019.39
7.4.70.0080.00816.64
7.4.60.0080.00816.50
7.4.50.0040.00816.33
7.4.40.0140.00316.55
7.4.30.0110.00716.42
7.4.00.0030.01214.75
7.3.330.0050.00013.02
7.3.320.0000.00613.00
7.3.310.0030.00316.34
7.3.300.0070.00016.20
7.3.290.0150.00516.28
7.3.280.0040.01216.27
7.3.270.0140.00317.40
7.3.260.0090.00816.46
7.3.250.0100.00816.36
7.3.240.0060.01316.50
7.3.230.0130.00316.23
7.3.210.0080.00816.43
7.3.200.0140.00316.50
7.3.190.0080.00816.34
7.3.180.0030.01516.48
7.3.170.0090.00616.57
7.3.160.0150.00616.37
7.3.120.0070.01114.75
7.3.110.0070.00715.05
7.3.100.0100.01014.80
7.3.90.0040.01114.57
7.3.80.0030.01414.70
7.3.70.0060.00914.84
7.3.60.0090.00014.46
7.3.50.0000.01914.68
7.3.40.0070.01014.59
7.3.30.0000.01214.86
7.3.20.0100.00616.64
7.3.10.0030.00616.77
7.3.00.0060.00616.75
7.2.330.0150.00916.61
7.2.320.0080.01616.61
7.2.310.0060.00916.69
7.2.300.0070.01716.77
7.2.290.0150.00316.65
7.2.250.0000.01515.22
7.2.240.0090.00915.06
7.2.230.0080.00814.98
7.2.220.0030.00915.21
7.2.210.0040.01414.78
7.2.200.0030.01315.00
7.2.190.0030.00614.95
7.2.180.0030.01015.10
7.2.170.0090.00915.17
7.2.160.0030.01014.74
7.2.150.0040.00817.04
7.2.140.0040.01217.00
7.2.130.0040.00817.00
7.2.120.0080.00517.00
7.2.110.0040.01117.07
7.2.100.0030.00716.86
7.2.90.0030.01216.96
7.2.80.0030.01317.02
7.2.70.0040.01017.11
7.2.60.0050.01017.11
7.2.50.0060.00916.92
7.2.40.0130.00317.03
7.2.30.0110.00417.02
7.2.20.0030.01217.14
7.2.10.0110.00317.10
7.2.00.0040.01218.23
7.1.330.0100.00715.55
7.1.320.0040.01115.57
7.1.310.0000.01316.16
7.1.300.0090.00615.74
7.1.290.0030.01315.84
7.1.280.0030.01015.65
7.1.270.0130.00015.55
7.1.260.0060.00615.84
7.1.250.0100.00015.79
7.1.240.0060.00615.63
7.1.230.0060.00315.92
7.1.220.0080.00815.86
7.1.210.0050.00815.83
7.1.200.0060.00515.92
7.1.190.0030.00916.00
7.1.180.0040.00715.91
7.1.170.0000.01515.76
7.1.160.0040.00416.00
7.1.150.0060.00315.68
7.1.140.0060.00615.85
7.1.130.0090.00315.96
7.1.120.0000.01215.86
7.1.110.0000.01315.79
7.1.100.0060.00917.18
7.1.90.0070.00716.00
7.1.80.0130.00315.48
7.1.70.0320.00715.63
7.1.60.0280.01424.67
7.1.50.0430.01225.38
7.1.40.0150.00925.11
7.1.30.0400.01124.18
7.1.20.0250.01224.22
7.1.10.0230.01415.25
7.1.00.0050.00816.08
7.0.330.0050.00515.40
7.0.320.0070.00415.49
7.0.310.0000.00815.43
7.0.300.0030.01015.43
7.0.290.0070.00415.64
7.0.280.0070.00415.43
7.0.270.0070.00715.42
7.0.260.0000.01215.47
7.0.250.0070.00715.53
7.0.240.0080.00515.48
7.0.230.0070.00715.53
7.0.220.0080.00415.44
7.0.210.0060.00615.52
7.0.200.0310.01016.17
7.0.190.0070.00916.21
7.0.180.0020.01015.83
7.0.170.0250.00914.91
7.0.160.0320.01015.83
7.0.150.0300.00915.01
7.0.140.0070.00515.96
7.0.130.0350.00915.03
7.0.120.0260.01115.18
7.0.110.0040.00815.93
7.0.100.0090.01215.69
7.0.90.0080.00715.92
7.0.80.0420.00715.03
7.0.70.0140.01614.98
7.0.60.0220.00614.88
7.0.50.0090.00815.02
7.0.40.0290.00815.14
7.0.30.0270.01015.01
7.0.20.0070.00914.00
7.0.10.0100.01413.97
7.0.00.0030.01414.06
5.6.400.0060.00614.50
5.6.390.0030.00914.41
5.6.380.0070.00714.38
5.6.370.0000.00914.41
5.6.360.0030.01214.32
5.6.350.0070.00714.20
5.6.340.0030.00614.50
5.6.330.0060.00314.45
5.6.320.0070.01014.20
5.6.310.0060.00914.32
5.6.300.0030.00614.36
5.6.290.0080.00414.19
5.6.280.0030.01314.26
5.6.270.0100.00314.42
5.6.260.0120.00014.45
5.6.250.0060.00914.70
5.6.240.0120.00314.48
5.6.230.0000.01714.21
5.6.220.0070.01114.55
5.6.210.0090.00614.20
5.6.200.0060.00914.34
5.6.190.0030.00914.60
5.6.180.0100.00614.46
5.6.170.0070.00714.38
5.6.160.0070.00714.43
5.6.150.0030.01014.59
5.6.140.0000.01314.34
5.6.130.0060.00614.44
5.6.120.0030.01014.65
5.6.110.0080.00814.14
5.6.100.0110.00414.16
5.6.90.0030.01314.60
5.6.80.0150.00314.33
5.6.70.0030.00614.35
5.6.60.0060.00314.08
5.6.50.0030.01014.27
5.6.40.0080.00314.31
5.6.30.0100.00314.26
5.6.20.0030.00914.46
5.6.10.0000.01314.24
5.6.00.0030.01314.65

preferences:
57.24 ms | 401 KiB | 5 Q