3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* A new exponent operator is introduced into PHP 5.6 */ var_dump(2 ** 32); // Pre-5.6 you would need pow(2,32) /* Power-tower is supported */ var_dump(2 ** 3 ** 4); // Pre-5.6 this would be pow(2, pow(3, 4)) but the syntax is much easier than nesting functions

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)
8.3.60.0070.00718.43
8.3.50.0070.00721.21
8.3.40.0140.00018.72
8.3.30.0040.01118.96
8.3.20.0110.00320.38
8.3.10.0040.00422.21
8.3.00.0040.00422.77
8.2.180.0180.00318.39
8.2.170.0040.01122.96
8.2.160.0130.00719.32
8.2.150.0050.00324.18
8.2.140.0060.00324.66
8.2.130.0200.00026.16
8.2.120.0090.00019.79
8.2.110.0040.00422.50
8.2.100.0110.00019.71
8.2.90.0000.00719.22
8.2.80.0030.00617.98
8.2.70.0080.00017.75
8.2.60.0000.00818.05
8.2.50.0030.00618.07
8.2.40.0050.00217.99
8.2.30.0060.00318.03
8.2.20.0000.00717.62
8.2.10.0030.00617.65
8.2.00.0040.00417.70
8.1.280.0070.01425.92
8.1.270.0090.00018.37
8.1.260.0080.00026.35
8.1.250.0130.00028.09
8.1.240.0060.00324.13
8.1.230.0110.00019.35
8.1.220.0000.00717.91
8.1.210.0040.00418.77
8.1.200.0040.00417.35
8.1.190.0040.00417.66
8.1.180.0080.00018.79
8.1.170.0040.00418.65
8.1.160.0070.00022.23
8.1.150.0060.00318.79
8.1.140.0040.00417.57
8.1.130.0000.00717.98
8.1.120.0070.00017.65
8.1.110.0070.00017.54
8.1.100.0070.00017.62
8.1.90.0030.00317.49
8.1.80.0040.00417.58
8.1.70.0030.00317.53
8.1.60.0050.00317.75
8.1.50.0000.00717.62
8.1.40.0040.00417.68
8.1.30.0060.00317.65
8.1.20.0040.00417.67
8.1.10.0000.00817.64
8.1.00.0030.00917.52
8.0.300.0030.00318.77
8.0.290.0040.00417.30
8.0.280.0080.00018.38
8.0.270.0030.00317.34
8.0.260.0000.00617.00
8.0.250.0030.00316.98
8.0.240.0050.00316.93
8.0.230.0030.00317.01
8.0.220.0070.00016.98
8.0.210.0000.00716.95
8.0.200.0000.00717.02
8.0.190.0040.00417.03
8.0.180.0050.00216.97
8.0.170.0040.00416.97
8.0.160.0030.00616.83
8.0.150.0000.00716.84
8.0.140.0000.00716.97
8.0.130.0060.00013.43
8.0.120.0040.00416.94
8.0.110.0070.00017.07
8.0.100.0070.00017.02
8.0.90.0040.00416.82
8.0.80.0150.00616.87
8.0.70.0020.00516.98
8.0.60.0080.00017.03
8.0.50.0070.00016.90
8.0.30.0100.00917.05
8.0.20.0090.01217.40
8.0.10.0070.00016.91
8.0.00.0110.00916.78
7.4.330.0000.00515.00
7.4.320.0000.00716.58
7.4.300.0030.00316.55
7.4.290.0000.00716.62
7.4.280.0000.00716.64
7.4.270.0050.00216.54
7.4.260.0000.00716.55
7.4.250.0040.00416.66
7.4.240.0030.00316.55
7.4.230.0070.00016.65
7.4.220.0170.00616.48
7.4.210.0020.01216.55
7.4.200.0030.00316.79
7.4.190.0030.00316.86
7.4.160.0080.00816.49
7.4.150.0100.01017.40
7.4.140.0110.01017.86
7.4.130.0130.00516.47
7.4.120.0060.01016.44
7.4.110.0120.00616.46
7.4.100.0060.01216.47
7.4.90.0090.00916.48
7.4.80.0040.01819.39
7.4.70.0120.00816.34
7.4.60.0120.00616.29
7.4.50.0040.00016.74
7.4.40.0120.00322.77
7.4.30.0060.01016.59
7.4.00.0030.01214.83
7.3.330.0050.00013.23
7.3.320.0030.00313.32
7.3.310.0060.00016.43
7.3.300.0040.00416.41
7.3.290.0100.01016.34
7.3.280.0100.00516.27
7.3.270.0100.00717.40
7.3.260.0120.00416.41
7.3.250.0070.01116.38
7.3.240.0120.00816.54
7.3.230.0070.01116.39
7.3.210.0140.00716.32
7.3.200.0060.01519.39
7.3.190.0100.00716.25
7.3.180.0150.00616.57
7.3.170.0090.00616.27
7.3.160.0080.00816.42
7.3.120.0050.01214.79
7.3.110.0100.00714.61
7.3.100.0060.00614.67
7.3.90.0060.00614.39
7.3.80.0080.00514.84
7.3.70.0100.00314.75
7.3.60.0070.00714.89
7.3.50.0070.00714.81
7.3.40.0070.00714.48
7.3.30.0040.01114.73
7.3.20.0030.01016.57
7.3.10.0030.01416.75
7.3.00.0070.00716.44
7.2.330.0110.01116.31
7.2.320.0030.01316.61
7.2.310.0060.01616.46
7.2.300.0030.01316.68
7.2.290.0060.01116.44
7.2.250.0000.01715.05
7.2.240.0030.01714.71
7.2.230.0070.00715.09
7.2.220.0080.00815.05
7.2.210.0000.01314.64
7.2.200.0030.01314.60
7.2.190.0030.00914.77
7.2.180.0030.01015.11
7.2.170.0090.00614.82
7.2.60.0030.01216.35
7.2.00.0080.00819.28
7.1.330.0030.01015.84
7.1.320.0000.01415.82
7.1.310.0080.00615.83
7.1.300.0000.01115.41
7.1.290.0120.00315.68
7.1.280.0070.00715.72
7.1.270.0050.00615.82
7.1.260.0030.01415.62
7.1.200.0090.00615.74
7.1.100.0030.01318.25
7.1.70.0040.00416.82
7.1.60.0090.01619.82
7.1.50.0100.01016.90
7.1.00.0000.03722.55
7.0.200.0090.00314.74
7.0.140.0030.07322.24
7.0.60.0030.04020.08
7.0.50.0030.04017.97
7.0.40.0030.04720.11
7.0.30.0530.07020.25
7.0.20.0300.07720.27
7.0.10.0100.04720.23
7.0.00.0070.08720.24
5.6.280.0070.07021.14
5.6.210.0100.07020.68
5.6.200.0000.04718.27
5.6.190.0070.05320.41
5.6.180.0230.03320.45
5.6.170.0200.05720.84
5.6.160.0070.05020.63
5.6.150.0030.08318.34
5.6.140.0030.08318.21
5.6.130.0070.05318.29
5.6.120.0030.05021.29
5.6.110.0200.06721.12
5.6.100.0170.06321.09
5.6.90.0070.03721.18
5.6.80.0030.07720.56
5.6.70.4300.03320.50
5.5.350.0030.04020.45
5.5.340.0100.07317.99
5.5.330.0130.06320.27
5.5.320.0300.07020.19
5.5.310.0400.04020.26
5.5.300.0130.07317.99
5.5.290.0000.04317.95
5.5.280.0100.07020.73
5.5.270.0100.07320.86
5.5.260.0130.03020.88
5.5.250.0000.09720.76
5.5.240.0070.05020.26
5.4.450.0800.05019.55
5.4.440.0630.08019.70
5.4.430.0130.05319.16
5.4.420.0830.07019.48
5.4.410.1030.06019.04
5.4.400.0430.06019.29
5.4.390.0700.07319.15
5.4.380.0230.05318.85
5.4.370.0400.05318.70
5.4.360.0270.04318.53
5.4.350.0020.04112.01
5.4.340.0040.03712.00
5.4.320.0060.03612.50
5.4.310.0060.04812.49
5.4.300.0060.03412.50
5.4.290.0070.03712.50
5.4.280.0050.03612.39
5.4.270.0060.03612.39
5.4.260.0050.03712.39
5.4.250.0130.06719.02
5.4.240.0130.05019.08
5.4.230.0100.07019.01
5.4.220.0100.05718.95
5.4.210.0070.05319.02
5.4.200.0100.07718.96
5.4.190.0070.05718.73
5.4.180.0070.07019.00
5.4.170.0100.05718.94
5.4.160.0130.04718.82
5.4.150.0130.05318.89
5.4.140.0070.05316.38
5.4.130.0070.06316.29
5.4.120.0070.05016.42
5.4.110.0100.06016.41
5.4.100.0100.04316.41
5.4.90.0100.06016.41
5.4.80.0030.05016.45
5.4.70.0100.05716.39
5.4.60.0170.04016.54
5.4.50.0070.06316.62
5.4.40.0070.05316.43
5.4.30.0170.04316.58
5.4.20.0100.07316.58
5.4.10.0130.05016.39
5.4.00.0030.05315.92
5.3.290.0070.03812.80
5.3.280.0000.07714.37
5.3.270.0030.06014.63
5.3.260.0070.05314.63
5.3.250.0030.07714.62
5.3.240.0100.06714.62
5.3.230.0070.05014.43
5.3.220.0070.05014.56
5.3.210.0030.05314.57
5.3.200.0070.05314.61
5.3.190.0100.04714.57
5.3.180.0030.05714.44
5.3.170.0070.06014.56
5.3.160.0000.05714.58
5.3.150.0100.05314.57
5.3.140.0030.06014.71
5.3.130.0100.05014.54
5.3.120.0100.05714.55
5.3.110.0100.05014.32
5.3.100.0130.04313.92
5.3.90.0000.05714.11
5.3.80.0100.04314.17
5.3.70.0130.06714.03
5.3.60.0170.04713.84
5.3.50.0100.04313.96
5.3.40.0100.07013.96
5.3.30.0070.05313.79
5.3.20.0070.06313.54
5.3.10.0100.07013.69
5.3.00.0000.06313.49
5.2.170.0030.04310.97
5.2.160.0000.04310.90
5.2.150.0100.05011.15
5.2.140.0130.05311.15
5.2.130.0030.04011.10
5.2.120.0130.04311.03
5.2.110.0070.04011.11
5.2.100.0100.04711.03
5.2.90.0030.05011.03
5.2.80.0030.05011.01
5.2.70.0100.04011.00
5.2.60.0100.05711.16
5.2.50.0130.04711.11
5.2.40.0030.04711.01
5.2.30.0000.04310.89
5.2.20.0030.05310.98
5.2.10.0100.03710.93
5.2.00.0170.03010.93
5.1.60.0070.05010.03
5.1.50.0000.04310.08
5.1.40.0070.04710.17
5.1.30.0030.04010.41
5.1.20.0100.04310.43
5.1.10.0070.04310.09
5.1.00.0000.05010.13
5.0.50.0070.0278.61
5.0.40.0030.0438.33
5.0.30.0030.0478.28
5.0.20.0070.0238.03
5.0.10.0030.0378.15
5.0.00.0070.0538.21
4.4.90.0030.0337.00
4.4.80.0000.0337.00
4.4.70.0030.0307.00
4.4.60.0030.0207.00
4.4.50.0030.0207.00
4.4.40.0000.0437.00
4.4.30.0000.0307.00
4.4.20.0030.0307.00
4.4.10.0030.0207.00
4.4.00.0070.0307.00
4.3.110.0030.0207.00
4.3.100.0070.0207.00
4.3.90.0070.0207.00
4.3.80.0030.0337.00
4.3.70.0030.0207.00
4.3.60.0100.0137.00
4.3.50.0030.0307.00
4.3.40.0030.0377.00
4.3.30.0070.0177.00
4.3.20.0000.0237.00
4.3.10.0000.0307.00
4.3.00.0200.0237.85

preferences:
35.11 ms | 401 KiB | 5 Q