3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = null; //$a = 'DateTime'; if (null === $a) return; 'DateTime' === $a;

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)
8.3.60.0120.00918.03
8.3.50.0110.00817.25
8.3.40.0070.00718.59
8.3.30.0060.00918.46
8.3.20.0040.00418.57
8.3.10.0070.01120.42
8.3.00.0000.00817.25
8.2.180.0070.00716.38
8.2.170.0100.00722.96
8.2.160.0100.00322.26
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0040.00419.70
8.2.110.0000.00920.91
8.2.100.0110.00417.78
8.2.90.0040.00719.39
8.2.80.0050.00319.34
8.2.70.0000.00817.50
8.2.60.0040.00418.04
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0070.00017.98
8.2.20.0000.00717.61
8.2.10.0000.00717.64
8.2.00.0050.00317.66
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.48
8.1.230.0040.00720.85
8.1.220.0040.00417.74
8.1.210.0080.00318.97
8.1.200.0030.00617.23
8.1.190.0000.00717.28
8.1.180.0080.00018.10
8.1.170.0090.00018.81
8.1.160.0050.00218.77
8.1.150.0000.00818.60
8.1.140.0080.00317.29
8.1.130.0070.00017.86
8.1.120.0040.00317.41
8.1.110.0000.00817.41
8.1.100.0070.00017.34
8.1.90.0000.00717.20
8.1.80.0030.00317.27
8.1.70.0030.00317.33
8.1.60.0000.00717.40
8.1.50.0040.00417.30
8.1.40.0000.00817.32
8.1.30.0000.00817.62
8.1.20.0030.00517.64
8.1.10.0000.00817.40
8.1.00.0040.00417.29
8.0.300.0040.00419.99
8.0.290.0070.00016.63
8.0.280.0040.00418.28
8.0.270.0030.00317.16
8.0.260.0040.00416.78
8.0.250.0070.00016.81
8.0.240.0050.00316.86
8.0.230.0000.00716.77
8.0.220.0040.00416.84
8.0.210.0030.00316.81
8.0.200.0060.00016.81
8.0.190.0070.00016.89
8.0.180.0000.00716.71
8.0.170.0030.00516.84
8.0.160.0030.00316.90
8.0.150.0040.00416.67
8.0.140.0040.00416.78
8.0.130.0030.00313.14
8.0.120.0000.00716.78
8.0.110.0000.00816.88
8.0.100.0000.00716.87
8.0.90.0030.00316.71
8.0.80.0130.00316.87
8.0.70.0070.00016.71
8.0.60.0000.00716.69
8.0.50.0040.00416.88
8.0.30.0120.00616.88
8.0.20.0100.01017.07
8.0.10.0000.00716.83
8.0.00.0130.00816.54
7.4.330.0000.00614.65
7.4.320.0030.00316.43
7.4.300.0040.00416.60
7.4.290.0040.00416.50
7.4.280.0060.00616.41
7.4.270.0000.00716.63
7.4.260.0000.00613.28
7.4.250.0030.00716.49
7.4.240.0070.00016.39
7.4.230.0030.00316.40
7.4.220.0090.01216.55
7.4.210.0060.01016.57
7.4.200.0030.00416.58
7.4.190.0040.00416.55
7.4.160.0130.00316.62
7.4.150.0110.00717.07
7.4.140.0110.00817.07
7.4.130.0080.01116.43
7.4.120.0080.01016.48
7.4.110.0170.00616.34
7.4.100.0110.00616.38
7.4.90.0090.00916.51
7.4.80.0030.01318.80
7.4.70.0150.00316.29
7.4.60.0090.01216.43
7.4.50.0030.00623.17
7.4.40.0030.01021.69
7.4.30.0040.01916.39
7.4.00.0050.01114.67
7.3.330.0000.00613.02
7.3.320.0030.00313.07
7.3.310.0030.00616.05
7.3.300.0000.00716.09
7.3.290.0070.00716.20
7.3.280.0050.01016.23
7.3.270.0140.00317.07
7.3.260.0070.01018.24
7.3.250.0100.00816.37
7.3.240.0090.00616.16
7.3.230.0080.00816.50
7.3.210.0100.00716.20
7.3.200.0180.00319.39
7.3.190.0110.00716.23
7.3.180.0100.00616.11
7.3.170.0100.00616.54
7.3.160.0150.00416.27
7.3.120.0050.01014.81
7.3.110.0030.01014.99
7.3.100.0090.00614.69
7.3.90.0040.01414.94
7.3.80.0070.00414.71
7.3.70.0040.00714.91
7.3.60.0050.00314.80
7.3.50.0080.00414.48
7.3.40.0070.01014.80
7.3.30.0090.00014.58
7.3.20.0070.00716.39
7.3.10.0040.01216.61
7.3.00.0060.00316.67
7.2.330.0070.01016.38
7.2.320.0130.00416.48
7.2.310.0060.01816.36
7.2.300.0060.01016.46
7.2.290.0130.00316.61
7.2.250.0030.01615.09
7.2.240.0060.01014.89
7.2.230.0070.01015.03
7.2.220.0030.00614.82
7.2.210.0040.00914.96
7.2.200.0080.00814.85
7.2.190.0040.00714.76
7.2.180.0040.01214.73
7.2.170.0030.01414.86
7.2.00.0040.01119.41
7.1.330.0030.01315.74
7.1.320.0050.00515.50
7.1.310.0080.00415.41
7.1.300.0000.01415.54
7.1.290.0000.01215.66
7.1.280.0090.00915.78
7.1.270.0060.00615.42
7.1.260.0070.00715.39
7.1.100.0000.01117.71
7.1.70.0030.00516.72
7.1.60.0100.01319.40
7.1.50.0000.01616.92
7.1.00.0070.06722.43
7.0.200.0000.01016.43
7.0.140.0030.07322.09
7.0.120.0070.02722.16
7.0.60.0070.03719.78
7.0.50.0030.05017.77
7.0.40.0130.08019.90
7.0.30.0200.05320.34
7.0.20.0370.06020.01
7.0.10.0170.04020.09
7.0.00.0170.07720.01
5.6.280.0000.07720.85
5.6.210.0130.07720.68
5.6.200.0000.04318.15
5.6.190.0100.07020.61
5.6.180.0300.04720.33
5.6.170.0200.04320.38
5.6.160.0170.07320.49
5.6.150.0030.03718.18
5.6.140.0030.04318.09
5.6.130.0030.04718.17
5.6.120.0130.06321.01
5.6.110.0130.07020.96
5.6.100.0200.06720.88
5.6.90.0000.04320.96
5.6.80.0070.04020.43
5.5.350.0300.07020.46
5.5.340.0070.05317.96
5.5.330.0030.06320.25
5.5.320.0070.04720.31
5.5.310.0370.07320.30
5.5.300.0100.07717.93
5.5.290.0070.05718.02
5.5.280.0070.08320.86
5.5.270.0170.06320.86
5.5.260.0070.08320.96
5.5.250.0000.09020.67
5.5.240.0030.07020.18
5.4.450.0100.06319.11
5.4.440.0100.08019.41
5.4.430.0070.06019.11
5.4.420.0030.07319.40
5.4.410.0100.06019.34
5.4.400.0070.06719.09
5.4.390.0100.07319.00
5.4.380.0030.07019.14
5.4.370.0100.03019.08
5.4.360.0070.03719.08
5.4.350.0070.04018.91
5.4.340.0070.04318.91
5.4.320.0200.06318.92
5.4.310.0130.03719.18
5.4.300.0100.07718.78
5.4.290.0100.08019.15
5.4.280.0070.05719.08
5.4.270.0100.06318.80
5.4.260.0130.04019.14
5.4.250.0070.07718.78
5.4.240.0070.07719.14
5.4.230.0030.08319.17
5.4.220.0000.06019.07
5.4.210.0130.04319.07
5.4.200.0070.03719.08
5.4.190.0030.08019.06
5.4.180.0000.08018.80
5.4.170.0100.07018.91
5.4.160.0030.08019.15
5.4.150.0070.07319.05
5.4.140.0030.05016.44
5.4.130.0070.07316.34
5.4.120.0100.04016.37
5.4.110.0070.04716.38
5.4.100.0130.03316.41
5.4.90.0070.05316.32
5.4.80.0000.06316.21
5.4.70.0070.07016.23
5.4.60.0100.07016.38
5.4.50.0000.07016.29
5.4.40.0030.06016.58
5.4.30.0100.07016.21
5.4.20.0100.06016.36
5.4.10.0070.06716.38
5.4.00.0070.07715.66
5.3.290.0000.08314.63
5.3.280.0070.07714.53
5.3.270.0070.07714.54
5.3.260.0030.05714.61
5.3.250.0070.04314.53
5.3.240.0000.04714.54
5.3.230.0070.07014.61
5.3.220.0030.05014.52
5.3.210.0000.06714.48
5.3.200.0100.07014.48
5.3.190.0000.05014.49
5.3.180.0070.04714.49
5.3.170.0100.07014.48
5.3.160.0100.04714.50
5.3.150.0130.06014.48
5.3.140.0070.04714.64
5.3.130.0130.05314.49
5.3.120.0100.07014.46
5.3.110.0070.05014.56
5.3.100.0030.07014.01
5.3.90.0030.05014.03
5.3.80.0100.03313.98
5.3.70.0030.05313.80
5.3.60.0100.05713.98
5.3.50.0030.07313.95
5.3.40.0030.07713.86
5.3.30.0100.04313.88
5.3.20.0070.03313.66
5.3.10.0030.05713.59
5.3.00.0100.05313.56
5.2.170.0100.04011.00
5.2.160.0030.03710.99
5.2.150.0030.04011.07
5.2.140.0000.03310.96
5.2.130.0070.05011.11
5.2.120.0100.05310.99
5.2.110.0000.06711.02
5.2.100.0070.03010.93
5.2.90.0070.05711.00
5.2.80.0070.04010.95
5.2.70.0100.02711.10
5.2.60.0070.03010.92
5.2.50.0000.04710.99
5.2.40.0030.04311.14
5.2.30.0030.04710.86
5.2.20.0000.06010.92
5.2.10.0030.06010.88
5.2.00.0030.07010.66
5.1.60.0070.04710.05
5.1.50.0000.0579.95
5.1.40.0070.0279.98
5.1.30.0000.06310.38
5.1.20.0000.04310.24
5.1.10.0130.04010.04
5.1.00.0070.04010.12
5.0.50.0070.0478.53
5.0.40.0100.0378.41
5.0.30.0030.0678.41
5.0.20.0030.0238.41
5.0.10.0000.0208.41
5.0.00.0030.0338.41
4.4.90.0070.0208.41
4.4.80.0000.0278.41
4.4.70.0000.0408.41
4.4.60.0030.0338.41
4.4.50.0030.0378.41
4.4.40.0000.0578.41
4.4.30.0000.0278.41
4.4.20.0070.0278.41
4.4.10.0070.0278.41
4.4.00.0030.0408.41
4.3.110.0030.0378.41
4.3.100.0000.0278.41
4.3.90.0000.0178.41
4.3.80.0000.0438.41
4.3.70.0000.0208.41
4.3.60.0000.0238.41
4.3.50.0030.0208.41
4.3.40.0030.0238.41
4.3.30.0000.0278.41
4.3.20.0000.0308.41
4.3.10.0000.0308.41
4.3.00.0000.0178.41

preferences:
41.67 ms | 401 KiB | 5 Q