3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = UndefinedContants; echo "Undefined contant's value is literal: ", $var;

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)
8.3.60.0140.00416.50
8.3.50.0140.00017.97
8.3.40.0110.00418.67
8.3.30.0120.00318.73
8.3.20.0040.00420.16
8.3.10.0050.00323.61
8.3.00.0000.00819.56
8.2.180.0110.01116.75
8.2.170.0070.00722.96
8.2.160.0130.00620.43
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0100.00017.50
8.2.110.0060.00319.33
8.2.100.0090.00317.75
8.2.90.0070.00018.93
8.2.80.0040.00417.97
8.2.70.0000.00817.38
8.2.60.0060.00317.93
8.2.50.0030.00618.07
8.2.40.0000.00820.95
8.2.30.0020.00520.57
8.2.20.0040.00417.72
8.2.10.0050.00317.93
8.2.00.0000.00718.04
8.1.280.0100.01025.92
8.1.270.0060.00323.76
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00323.84
8.1.230.0090.00317.42
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.22
8.1.190.0060.00317.22
8.1.180.0000.00818.10
8.1.170.0000.00820.44
8.1.160.0000.00722.05
8.1.150.0000.00718.69
8.1.140.0040.00421.17
8.1.130.0000.00717.56
8.1.120.0040.00417.28
8.1.110.0040.00417.27
8.1.100.0040.00417.38
8.1.90.0000.00817.36
8.1.80.0040.00417.35
8.1.70.0030.00317.41
8.1.60.0060.00317.48
8.1.50.0050.00317.34
8.1.40.0000.00817.30
8.1.30.0000.00817.50
8.1.20.0040.00417.48
8.1.10.0000.00817.51
8.1.00.0000.00717.33
8.0.300.0030.00518.77
8.0.290.0040.00416.63
8.0.280.0070.00018.45
8.0.270.0040.00417.23
8.0.260.0060.00017.16
8.0.250.0030.00317.05
8.0.240.0060.00017.07
8.0.230.0030.00317.02
8.0.220.0030.00316.81
8.0.210.0030.00616.94
8.0.200.0030.00317.00
8.0.190.0070.00016.93
8.0.180.0000.00717.01
8.0.170.0000.00816.88
8.0.160.0040.00416.96
8.0.150.0000.00716.91
8.0.140.0000.00716.90
8.0.130.0030.00313.36
8.0.120.0000.00816.96
8.0.110.0000.00816.98
8.0.100.0040.00416.89
8.0.90.0040.00416.92
8.0.80.0120.00316.94
8.0.70.0040.00417.01
8.0.60.0050.00216.93
8.0.50.0000.00716.77
8.0.30.0130.00817.02
8.0.20.0070.01117.40
8.0.10.0030.00517.11
8.0.00.0070.01416.66
7.4.330.0030.00315.08
7.4.320.0030.00316.59
7.4.300.0070.00016.45
7.4.290.0000.00716.42
7.4.280.0000.00816.40
7.4.270.0040.00416.60
7.4.260.0000.00716.57
7.4.250.0040.00416.52
7.4.240.0000.00716.48
7.4.230.0070.00016.41
7.4.220.0070.01016.62
7.4.210.0060.00916.66
7.4.200.0040.00416.66
7.4.160.0000.01516.32
7.4.150.0100.01017.40
7.4.140.0180.00817.86
7.4.130.0090.00816.46
7.4.120.0100.00616.50
7.4.110.0140.00416.39
7.4.100.0040.01416.36
7.4.90.0130.00316.46
7.4.80.0030.01319.39
7.4.70.0060.01516.67
7.4.60.0130.00316.54
7.4.50.0050.00316.41
7.4.40.0120.00616.50
7.4.30.0140.00916.32
7.4.00.0070.00714.88
7.3.330.0000.00513.08
7.3.320.0030.00313.02
7.3.310.0030.00316.34
7.3.300.0060.00316.14
7.3.290.0100.00416.27
7.3.280.0030.01316.27
7.3.270.0100.01317.40
7.3.260.0080.00916.34
7.3.250.0080.01016.36
7.3.240.0130.00616.51
7.3.230.0060.01116.49
7.3.210.0090.00916.35
7.3.200.0000.01616.44
7.3.190.0060.01216.23
7.3.180.0100.01016.23
7.3.170.0040.01216.34
7.3.160.0090.00616.45
7.2.330.0140.00416.65
7.2.320.0100.01316.38
7.2.310.0070.01416.55
7.2.300.0080.00816.58
7.2.290.0070.01016.24
7.2.80.0070.00716.79
7.2.60.0030.00616.53
7.2.00.0000.01219.40
7.1.200.0030.01315.68
7.1.100.0050.00518.21
7.1.70.0130.00816.93
7.1.60.0160.00919.11
7.1.50.0090.01216.54
7.1.00.0100.07022.57
7.0.200.0220.01014.80
7.0.60.0070.07319.95
7.0.50.0100.06317.81
7.0.40.0070.08320.12
7.0.30.0230.04320.00
7.0.20.0300.05020.17
7.0.10.0200.06320.22
7.0.00.0030.06320.13
5.6.280.0000.04020.98
5.6.210.0270.07020.52
5.6.200.0070.08018.15
5.6.190.0100.08320.36
5.6.180.0270.06720.45
5.6.170.0230.05320.38
5.6.160.0070.07720.66
5.6.150.0030.08318.07
5.6.140.0270.03718.20
5.6.130.0030.04718.20
5.6.120.0100.08020.99
5.6.110.0100.06020.98
5.6.100.0130.07721.07
5.6.90.0000.09320.98
5.6.80.0100.05320.50
5.6.70.3630.03720.36
5.5.350.0300.08020.45
5.5.340.0100.07017.88
5.5.330.0130.03320.14
5.5.320.0270.05320.47
5.5.310.0270.05020.50
5.5.300.0100.06318.01
5.5.290.0030.06717.89
5.5.280.0070.05320.86
5.5.270.0070.07020.75
5.5.260.0130.08020.75
5.5.250.0070.05320.68
5.5.240.0100.07720.35
5.4.450.0400.06719.50
5.4.440.0330.06319.41
5.4.430.0270.07319.54
5.4.420.0300.05319.23
5.4.410.0300.03319.36
5.4.400.0270.07318.93
5.4.390.0270.05719.13
5.4.380.0230.07719.24
5.4.370.0270.04319.23
5.4.360.0200.05319.13
5.4.350.0230.04718.93
5.4.340.0300.06319.14
5.4.320.0370.06718.92
5.4.310.0300.04319.22
5.4.300.0270.06019.06
5.4.290.0270.04318.80
5.4.280.0300.07019.25
5.4.270.0230.05319.13
5.4.260.0300.04319.09
5.4.250.0230.04018.78
5.4.240.0230.05019.08
5.4.230.0270.07318.80
5.4.220.0270.07018.80
5.4.210.0270.05718.78
5.4.200.0270.07318.88
5.4.190.0400.06019.06
5.4.180.0330.07319.08
5.4.170.0230.04019.12
5.4.160.0200.07719.06
5.4.150.0270.04019.06
5.4.140.0130.04016.55
5.4.130.0230.03716.54
5.4.120.0300.06716.29
5.4.110.0300.06016.48
5.4.100.0670.02316.22
5.4.90.0230.04716.25
5.4.80.0170.04016.38
5.4.70.0300.04016.41
5.4.60.0230.06016.36
5.4.50.0270.03716.40
5.4.40.0300.06316.36
5.4.30.0170.05316.36
5.4.20.0300.05716.38
5.4.10.0270.06716.38
5.4.00.0170.07715.67
5.3.290.0300.06714.63
5.3.280.0270.07014.54
5.3.270.0230.07714.58
5.3.260.0270.06314.44
5.3.250.0170.04014.44
5.3.240.0270.03014.55
5.3.230.0230.05014.54
5.3.220.0270.06714.40
5.3.210.0270.07714.46
5.3.200.0300.04314.41
5.3.190.0200.08314.59
5.3.180.0230.07314.46
5.3.170.0200.05014.41
5.3.160.0230.06014.43
5.3.150.0230.07014.41
5.3.140.0330.04314.39
5.3.130.0200.05714.39
5.3.120.0370.05714.63
5.3.110.0200.05314.52
5.3.100.0230.06313.98
5.3.90.0170.07713.85
5.3.80.0200.05013.97
5.3.70.0300.06714.04
5.3.60.0270.06013.95
5.3.50.0200.03713.78
5.3.40.0200.04013.82
5.3.30.0230.03713.73
5.3.20.0300.04313.53
5.3.10.0100.04013.56
5.3.00.0130.04713.54
5.2.170.0170.02712.43
5.2.160.0170.05712.43
5.2.150.0200.05712.43
5.2.140.0200.05312.43
5.2.130.0170.03012.43
5.2.120.0070.04012.43
5.2.110.0200.02312.43
5.2.100.0200.05712.43
5.2.90.0170.03712.43
5.2.80.0270.04012.43
5.2.70.0170.04012.43
5.2.60.0200.05012.43
5.2.50.0230.04012.43
5.2.40.0130.03012.43
5.2.30.0200.03712.43
5.2.20.0200.04712.43
5.2.10.0200.05712.43
5.2.00.0100.06012.43
5.1.60.0100.06012.43
5.1.50.0130.04312.43
5.1.40.0170.05012.43
5.1.30.0130.05712.43
5.1.20.0170.05712.43
5.1.10.0130.04312.43
5.1.00.0170.02012.43
5.0.50.0070.03312.43
5.0.40.0130.03312.43
5.0.30.0100.05312.43
5.0.20.0070.02712.43
5.0.10.0130.03712.43
5.0.00.0100.04012.43
4.4.90.0100.03312.43
4.4.80.0070.01712.43
4.4.70.0100.03312.43
4.4.60.0100.02712.43
4.4.50.0100.03312.43
4.4.40.0100.05012.43
4.4.30.0030.03312.43
4.4.20.0030.03712.43
4.4.10.0070.03712.43
4.4.00.0130.05012.43
4.3.110.0100.03312.43
4.3.100.0100.01712.43
4.3.90.0100.03312.43
4.3.80.0030.04012.43
4.3.70.0100.03312.43
4.3.60.0070.03712.43
4.3.50.0130.03012.43
4.3.40.0100.04712.43
4.3.30.0000.03312.43
4.3.20.0030.02712.43
4.3.10.0100.03312.43
4.3.00.0070.03012.43

preferences:
65.27 ms | 401 KiB | 5 Q