3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = NULL; if (is_null($a) && !is_array($a)) { throw new Exception('The names of required fields must be an array, even if only one field is required.'); } else { echo "The if clause was not run"; } /* echo isset($a)?'true':'false'; */

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)
8.3.40.0080.00818.71
8.3.30.0100.00320.22
8.3.20.0080.00020.27
8.3.10.0000.00822.16
8.3.00.0050.00322.45
8.2.170.0100.01022.96
8.2.160.0070.00722.08
8.2.150.0040.00424.18
8.2.140.0100.00624.66
8.2.130.0070.00026.16
8.2.120.0070.00020.79
8.2.110.0090.00021.04
8.2.100.0110.00017.72
8.2.90.0080.00019.17
8.2.80.0060.00317.97
8.2.70.0030.00617.73
8.2.60.0040.00417.89
8.2.50.0050.00318.10
8.2.40.0040.00418.28
8.2.30.0070.00019.43
8.2.20.0000.00717.75
8.2.10.0000.00817.80
8.2.00.0070.00017.79
8.1.270.0070.00023.99
8.1.260.0030.00526.35
8.1.250.0030.00728.09
8.1.240.0070.00322.80
8.1.230.0080.00417.64
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.35
8.1.190.0040.00417.23
8.1.180.0040.00418.10
8.1.170.0040.00418.57
8.1.160.0000.01018.87
8.1.150.0040.00418.63
8.1.140.0040.00417.46
8.1.130.0070.00317.86
8.1.120.0070.00017.31
8.1.110.0070.00017.49
8.1.100.0040.00417.34
8.1.90.0000.00717.48
8.1.80.0040.00417.50
8.1.70.0000.00717.42
8.1.60.0000.00817.59
8.1.50.0040.00417.57
8.1.40.0040.00417.54
8.1.30.0030.00617.53
8.1.20.0080.00017.63
8.1.10.0000.00717.57
8.1.00.0080.00417.38
8.0.300.0050.00318.77
8.0.290.0040.00416.75
8.0.280.0040.00418.49
8.0.270.0000.00717.30
8.0.260.0060.00016.74
8.0.250.0000.00616.94
8.0.240.0040.00417.02
8.0.230.0000.00716.97
8.0.220.0050.00216.99
8.0.210.0030.00316.95
8.0.200.0040.00416.96
8.0.190.0040.00416.99
8.0.180.0000.00816.98
8.0.170.0030.00616.88
8.0.160.0000.00817.00
8.0.150.0070.00016.85
8.0.140.0000.00816.82
8.0.130.0000.00513.43
8.0.120.0030.00616.93
8.0.110.0000.00916.85
8.0.100.0050.00216.88
8.0.90.0050.00316.83
8.0.80.0070.00716.85
8.0.70.0030.00516.77
8.0.60.0000.00716.93
8.0.50.0030.00516.96
8.0.30.0100.01017.02
8.0.20.0080.01017.40
8.0.10.0080.00016.95
8.0.00.0170.00816.58
7.4.330.0000.00615.00
7.4.320.0060.00016.59
7.4.300.0040.00416.50
7.4.290.0000.00616.39
7.4.280.0070.00316.50
7.4.270.0080.00016.48
7.4.260.0000.00613.29
7.4.250.0040.00416.50
7.4.240.0040.00416.55
7.4.230.0000.00716.52
7.4.220.0080.01116.62
7.4.210.0070.00916.50
7.4.200.0030.00316.43
7.4.190.0030.00316.50
7.4.160.0030.01316.56
7.4.150.0070.01017.40
7.4.140.0090.01317.86
7.4.130.0080.00916.55
7.4.120.0080.00816.56
7.4.110.0060.01216.56
7.4.100.0080.00816.50
7.4.90.0070.01016.50
7.4.80.0140.00419.39
7.4.70.0150.00316.41
7.4.60.0070.01016.49
7.4.50.0060.00316.65
7.4.40.0040.00822.77
7.4.30.0040.01416.55
7.4.00.0030.01214.92
7.3.330.0000.00613.18
7.3.320.0060.00013.04
7.3.310.0060.00316.23
7.3.300.0030.00316.17
7.3.290.0110.00316.26
7.3.280.0050.01116.25
7.3.270.0130.00317.40
7.3.260.0150.00716.42
7.3.250.0140.00616.31
7.3.240.0130.00316.32
7.3.230.0040.01216.46
7.3.210.0070.01016.49
7.3.200.0070.01019.39
7.3.190.0180.00316.41
7.3.180.0100.00616.39
7.3.170.0100.00716.42
7.3.160.0030.01716.34
7.3.120.0070.00714.97
7.2.330.0140.00316.53
7.2.320.0170.00016.59
7.2.310.0110.00616.48
7.2.300.0090.00916.57
7.2.290.0060.01116.76
7.2.60.0070.00717.04
7.2.00.0060.00619.25
7.1.200.0070.00715.46
7.1.100.0030.01017.71
7.1.70.0040.00416.78
7.1.60.0110.01419.32
7.1.50.0120.00616.98
7.1.00.0000.03722.45
7.0.200.0000.00716.94
7.0.140.0030.07322.09
7.0.60.0170.05320.04
7.0.50.0070.04717.91
7.0.40.0170.06320.40
7.0.30.0270.08320.01
7.0.20.0300.06720.16
7.0.10.0030.04720.30
7.0.00.0130.04320.16
5.6.280.0000.07721.11
5.6.210.0000.08720.52
5.6.200.0100.07018.16
5.6.190.0100.04320.60
5.6.180.0230.04020.46
5.6.170.0300.05320.50
5.6.160.0200.07020.51
5.6.150.0070.08318.18
5.6.140.0070.07718.13
5.6.130.0070.03718.18
5.6.120.0000.09021.00
5.6.110.0070.06720.97
5.6.100.0070.08320.88
5.6.90.0030.05320.87
5.6.80.0070.03720.35
5.5.350.0230.08020.40
5.5.340.0100.07717.95
5.5.330.0030.08320.40
5.5.320.0200.05020.35
5.5.310.0370.06320.31
5.5.300.0100.07717.96
5.5.290.0070.05717.95
5.5.280.0130.07020.79
5.5.270.0130.06020.86
5.5.260.0000.05320.75
5.5.250.0000.06320.68
5.5.240.4130.04320.12
5.4.450.0330.04319.45
5.4.440.0330.04019.55
5.4.430.0470.07019.41
5.4.420.0400.06019.41
5.4.410.0330.06319.06
5.4.400.0430.04019.13
5.4.390.0470.07019.24
5.4.380.0470.06719.21
5.4.370.0470.06318.95
5.4.360.0500.04318.95
5.4.350.0370.04719.14
5.4.340.0370.07719.08
5.4.320.0430.04319.08
5.4.310.0300.04718.98
5.4.300.0370.06319.20
5.4.290.0370.05019.14
5.4.280.0270.05019.05
5.4.270.0300.04019.05
5.4.260.0430.06319.05
5.4.250.0470.05319.20
5.4.240.0400.05318.98
5.4.230.0270.04719.10
5.4.220.0270.04019.23
5.4.210.0370.05019.08
5.4.200.0300.06719.01
5.4.190.0300.05018.83
5.4.180.0400.05718.98
5.4.170.0430.03319.29
5.4.160.0370.04319.12
5.4.150.0300.04718.99
5.4.140.0400.06716.51
5.4.130.0330.06016.40
5.4.120.0330.04016.41
5.4.110.0270.03716.51
5.4.100.0300.03316.45
5.4.90.0370.03716.54
5.4.80.0430.04716.54
5.4.70.0300.05716.45
5.4.60.0370.07316.25
5.4.50.0500.05316.53
5.4.40.0370.06316.54
5.4.30.0230.05016.55
5.4.20.0300.03316.48
5.4.10.0300.04016.40
5.4.00.0330.04715.92
5.3.290.0300.03714.66
5.3.280.0270.04014.67
5.3.270.0330.06314.75
5.3.260.0300.03714.59
5.3.250.0430.07014.61
5.3.240.0330.07714.51
5.3.230.0430.06314.50
5.3.220.0270.04314.64
5.3.210.0400.06714.61
5.3.200.0330.06014.54
5.3.190.0370.07014.46
5.3.180.0300.04314.67
5.3.170.0430.05714.67
5.3.160.0430.04014.63
5.3.150.0370.06714.70
5.3.140.0400.06014.55
5.3.130.0470.05714.51
5.3.120.0370.04314.51
5.3.110.0370.06714.54
5.3.100.0300.03714.26
5.3.90.0370.05713.93
5.3.80.0230.04013.98
5.3.70.0330.06013.93
5.3.60.0330.05314.11
5.3.50.0330.05713.85
5.3.40.0300.04713.91
5.3.30.0270.03713.81
5.3.20.0300.03713.60
5.3.10.0430.06013.55
5.3.00.0400.03713.53
5.2.170.0370.03312.11
5.2.160.0430.02012.11
5.2.150.0370.05312.11
5.2.140.0230.03712.11
5.2.130.0330.05712.11
5.2.120.0270.06012.11
5.2.110.0230.03312.11
5.2.100.0330.03312.11
5.2.90.0330.06012.11
5.2.80.0200.03312.11
5.2.70.0300.05312.11
5.2.60.0270.02712.11
5.2.50.0270.05712.11
5.2.40.0230.02712.11
5.2.30.0200.03012.11
5.2.20.0200.03012.11
5.2.10.0270.05312.11
5.2.00.0200.03012.11
5.1.60.0170.03712.11
5.1.50.0270.02712.11
5.1.40.0270.04312.11
5.1.30.0330.03712.11
5.1.20.0230.03312.11
5.1.10.0270.02712.11
5.1.00.0330.05012.11
5.0.50.0130.02012.11
5.0.40.0170.02012.11
5.0.30.0170.04712.11
5.0.20.0170.03312.11
5.0.10.0170.02312.11
5.0.00.0100.04012.11
4.4.90.0130.01712.11
4.4.80.0130.03312.11
4.4.70.0130.02312.11
4.4.60.0130.03012.11
4.4.50.0130.01712.11
4.4.40.0170.04312.11
4.4.30.0130.03012.11
4.4.20.0170.02712.11
4.4.10.0200.02712.11
4.4.00.0200.03012.11
4.3.110.0230.01312.11
4.3.100.0130.02012.11
4.3.90.0170.02712.11
4.3.80.0170.04012.11
4.3.70.0170.01712.11
4.3.60.0130.01312.11
4.3.50.0130.03712.11
4.3.40.0170.03712.11
4.3.30.0170.03012.11
4.3.20.0100.01712.11
4.3.10.0070.03312.11
4.3.00.0100.02712.11

preferences:
43.13 ms | 400 KiB | 5 Q