3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "a"; echo $str; $b = $str + strval(1); echo $b;

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)
8.3.60.0170.00318.56
8.3.50.0090.01121.14
8.3.40.0120.00318.70
8.3.30.0030.01320.27
8.3.20.0080.00018.64
8.3.10.0030.00621.07
8.3.00.0080.00022.40
8.2.180.0110.00416.50
8.2.170.0090.00622.96
8.2.160.0070.01120.39
8.2.150.0040.00424.18
8.2.140.0090.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00421.13
8.2.110.0080.00320.39
8.2.100.0050.00617.78
8.2.90.0040.00419.22
8.2.80.0000.00919.40
8.2.70.0030.00517.63
8.2.60.0080.00017.91
8.2.50.0020.01018.07
8.2.40.0040.00418.20
8.2.30.0000.00819.30
8.2.20.0040.00417.76
8.2.10.0000.00717.70
8.2.00.0000.00817.70
8.1.280.0030.01025.92
8.1.270.0040.00423.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.52
8.1.230.0070.00420.85
8.1.220.0000.00818.77
8.1.210.0040.00418.89
8.1.200.0030.00717.23
8.1.190.0000.00717.40
8.1.180.0030.00618.10
8.1.170.0000.00818.37
8.1.160.0040.00418.78
8.1.150.0040.00418.56
8.1.140.0040.00417.34
8.1.130.0040.00417.89
8.1.120.0070.00017.39
8.1.110.0030.00317.26
8.1.100.0000.00817.43
8.1.90.0020.00517.33
8.1.80.0050.00217.43
8.1.70.0000.00817.29
8.1.60.0030.00517.40
8.1.50.0000.00717.51
8.1.40.0040.00417.54
8.1.30.0000.00817.57
8.1.20.0000.00817.67
8.1.10.0050.00317.63
8.1.00.0000.00817.51
8.0.300.0050.00219.98
8.0.290.0000.00817.18
8.0.280.0040.00418.55
8.0.270.0080.00017.15
8.0.260.0000.00616.81
8.0.250.0040.00417.00
8.0.240.0040.00417.09
8.0.230.0040.00416.91
8.0.220.0070.00016.87
8.0.210.0000.00716.90
8.0.200.0000.00616.86
8.0.190.0080.00016.95
8.0.180.0000.00716.89
8.0.170.0000.00716.80
8.0.160.0050.00316.91
8.0.150.0050.00316.82
8.0.140.0040.00416.70
8.0.130.0030.00313.27
8.0.120.0000.00816.79
8.0.110.0080.00016.92
8.0.100.0000.00716.84
8.0.90.0020.00516.77
8.0.80.0040.01216.84
8.0.70.0000.00716.89
8.0.60.0080.00016.75
8.0.50.0000.00716.68
8.0.30.0060.01117.05
8.0.20.0070.01117.40
8.0.10.0040.00416.88
8.0.00.0080.00916.58
7.4.330.0020.00216.84
7.4.320.0030.00316.49
7.4.300.0000.00716.53
7.4.290.0030.00316.58
7.4.280.0040.00416.52
7.4.270.0020.00516.49
7.4.260.0000.00613.18
7.4.250.0070.00016.38
7.4.240.0030.00316.49
7.4.230.0000.00616.27
7.4.220.0130.00716.49
7.4.210.0060.01116.46
7.4.200.0000.00716.59
7.4.190.0030.00516.49
7.4.160.0040.01216.57
7.4.150.0100.00717.40
7.4.140.0090.00917.86
7.4.130.0100.00616.43
7.4.120.0080.01216.48
7.4.110.0070.01016.48
7.4.100.0170.00316.66
7.4.90.0080.01116.61
7.4.80.0070.01519.39
7.4.70.0120.00616.61
7.4.60.0100.01016.50
7.4.50.0040.00416.65
7.4.40.0150.00022.77
7.4.30.0100.00616.43
7.4.00.0000.01315.04
7.3.330.0030.00313.23
7.3.320.0000.00613.06
7.3.310.0000.00716.34
7.3.300.0040.00416.16
7.3.290.0070.00716.28
7.3.280.0090.00716.26
7.3.270.0060.01217.40
7.3.260.0080.01318.24
7.3.250.0100.00716.44
7.3.240.0190.00416.39
7.3.230.0080.01016.39
7.3.210.0060.01116.27
7.3.200.0000.01619.39
7.3.190.0110.00716.36
7.3.180.0030.01516.29
7.3.170.0100.00616.30
7.3.160.0070.01016.35
7.3.120.0000.00914.78
7.2.330.0040.01416.50
7.2.320.0130.01016.54
7.2.310.0000.01716.70
7.2.300.0050.01116.39
7.2.290.0060.01116.66
7.2.60.0060.00316.97
7.2.00.0060.00919.36
7.1.200.0040.01115.74
7.1.100.0000.00718.07
7.1.70.0000.00817.03
7.1.60.0100.01419.17
7.1.50.0160.01634.86
7.1.00.0070.04722.31
7.0.200.0030.00716.84
7.0.140.0000.07722.07
7.0.70.0100.05721.71
7.0.60.0070.04721.66
7.0.50.0030.06722.18
7.0.40.0030.06320.03
7.0.30.0070.08320.09
7.0.20.0030.06720.07
7.0.10.0030.08320.07
7.0.00.0030.08319.93
5.6.280.0100.06321.11
5.6.220.0070.07720.59
5.6.210.0030.06020.51
5.6.200.0000.04720.94
5.6.190.0070.06321.07
5.6.180.0030.07720.99
5.6.170.0000.08721.11
5.6.160.0070.08321.00
5.6.150.0030.07721.00
5.6.140.0030.08320.93
5.6.130.0030.08321.01
5.6.120.0100.07721.05
5.6.110.0100.08021.00
5.6.100.0030.08321.14
5.6.90.0170.05320.98
5.6.80.0000.08020.39
5.6.70.0000.07320.36
5.6.60.0130.06020.30
5.6.50.0100.03720.38
5.6.40.0030.08020.33
5.6.30.0030.08020.45
5.6.20.0030.08020.39
5.6.10.0030.08020.42
5.6.00.0070.07720.36
5.5.360.0000.08320.32
5.5.350.0030.04320.33
5.5.340.0130.07320.75
5.5.330.0030.04720.85
5.5.320.0070.08020.86
5.5.310.0100.08320.74
5.5.300.0000.08720.71
5.5.290.0000.08720.88
5.5.280.0100.07320.77
5.5.270.0070.08320.83
5.5.260.0130.07320.88
5.5.250.0030.08020.55
5.5.240.0070.06320.23
5.5.230.0030.06720.19
5.5.220.0030.06720.24
5.5.210.0030.04020.24
5.5.200.0070.07719.98
5.5.190.0130.06020.13
5.5.180.0000.07320.06
5.5.160.0000.08320.23
5.5.150.0070.06720.09
5.5.140.0070.07320.15
5.5.130.0030.08320.21
5.5.120.0070.07720.18
5.5.110.0100.06019.96
5.5.100.0100.04020.11
5.5.90.0000.08019.95
5.5.80.0070.07020.14
5.5.70.0030.05319.89
5.5.60.0030.06720.13
5.5.50.0070.06320.04
5.5.40.0070.07719.91
5.5.30.0000.08019.97
5.5.20.0130.07320.13
5.5.10.0030.08320.06
5.5.00.0070.07319.94
5.4.450.0000.08719.36
5.4.440.0000.08319.34
5.4.430.0030.07719.37
5.4.420.0030.08019.12
5.4.410.0030.07319.30
5.4.400.0030.06319.06
5.4.390.0030.06319.13
5.4.380.0000.07718.80
5.4.370.0000.07718.77
5.4.360.0000.08018.89
5.4.350.0070.07319.04
5.4.340.0070.07319.02
5.4.320.0070.06719.03
5.4.310.0030.08018.80
5.4.300.0070.04018.89
5.4.290.0100.06718.95
5.4.280.0030.06318.93
5.4.270.0030.07318.88
5.4.260.0100.06018.80
5.4.250.0070.06718.96
5.4.240.0070.05318.79
5.4.230.0000.08018.77
5.4.220.0070.07318.88
5.4.210.0000.07019.20
5.4.200.0070.07719.05
5.4.190.0000.08019.07
5.4.180.0070.07019.02
5.4.170.0000.08018.96
5.4.160.0030.07718.94
5.4.150.0030.06719.11
5.4.140.0100.07016.31
5.4.130.0070.06716.29
5.4.120.0030.07016.21
5.4.110.0030.07316.30
5.4.100.0070.07016.29
5.4.90.0000.08016.33
5.4.80.0100.06016.39
5.4.70.0030.07016.38
5.4.60.0070.06316.22
5.4.50.0030.06716.18
5.4.40.0030.07016.22
5.4.30.0130.05716.21
5.4.20.0100.07016.36
5.4.10.0070.07316.38
5.4.00.0070.05315.66
5.3.290.0100.07014.85
5.3.280.0030.06014.85
5.3.270.0000.08014.85
5.3.260.0070.06714.85
5.3.250.0070.06314.85
5.3.240.0070.07014.85
5.3.230.0000.05714.85
5.3.220.0000.07314.85
5.3.210.0070.07314.85
5.3.200.0030.07314.85
5.3.190.0000.07714.85
5.3.180.0000.07714.85
5.3.170.0100.07014.85
5.3.160.0070.06314.85
5.3.150.0030.07314.85
5.3.140.0030.08014.85
5.3.130.0030.07014.85
5.3.120.0070.07314.85
5.3.110.0000.07714.85
5.3.100.0030.07314.85
5.3.90.0030.04314.85
5.3.80.0030.03714.85
5.3.70.0070.07014.85
5.3.60.0030.03714.85
5.3.50.0030.03314.85
5.3.40.0070.05014.85
5.3.30.0000.07714.85
5.3.20.0030.05314.85
5.3.10.0070.07014.85
5.3.00.0070.06314.85
5.2.170.0030.06014.85
5.2.160.0030.06014.85
5.2.150.0000.03714.85
5.2.140.0000.04314.85
5.2.130.0000.03314.85
5.2.120.0000.03314.85
5.2.110.0000.05014.85
5.2.100.0030.06314.85
5.2.90.0000.06014.85
5.2.80.0030.06014.85
5.2.70.0000.06014.85
5.2.60.0030.06314.85
5.2.50.0100.05714.85
5.2.40.0030.06014.85
5.2.30.0070.05314.85
5.2.20.0130.04014.85
5.2.10.0030.05714.85
5.2.00.0030.05714.85
5.1.60.0000.04314.85
5.1.50.0030.05314.85
5.1.40.0070.04314.85
5.1.30.0070.04714.85
5.1.20.0000.04714.85
5.1.10.0030.02314.85
5.1.00.0000.02714.85
5.0.50.0000.03014.85
5.0.40.0030.01714.85
5.0.30.0030.06314.85
5.0.20.0000.04014.85
5.0.10.0000.04314.85
5.0.00.0000.05714.85
4.4.90.0030.03314.85
4.4.80.0000.03014.85
4.4.70.0000.03014.85
4.4.60.0030.03014.85
4.4.50.0000.03014.85
4.4.40.0030.05014.85
4.4.30.0030.02714.85
4.4.20.0000.02014.85
4.4.10.0000.02714.85
4.4.00.0000.03014.85
4.3.110.0070.02314.85
4.3.100.0070.02314.85
4.3.90.0000.03714.85
4.3.80.0030.05314.85
4.3.70.0000.02714.85
4.3.60.0030.03314.85
4.3.50.0000.03714.85
4.3.40.0000.05314.85
4.3.30.0000.03014.85
4.3.20.0030.03014.85
4.3.10.0000.03714.85
4.3.00.0030.03014.85

preferences:
36.6 ms | 401 KiB | 5 Q