3v4l.org

run code in 300+ PHP versions simultaneously
<?php $string = 'cityId'; var_dump($string.null);

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)
8.3.60.0120.00318.18
8.3.50.0140.00317.88
8.3.40.0110.00418.54
8.3.30.0080.00618.95
8.3.20.0000.00820.20
8.3.10.0040.00421.60
8.3.00.0040.00418.89
8.2.180.0030.01518.13
8.2.170.0030.01722.96
8.2.160.0070.00721.88
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00726.16
8.2.120.0070.00317.93
8.2.110.0110.01122.25
8.2.100.0070.00418.22
8.2.90.0030.00719.08
8.2.80.0000.00917.97
8.2.70.0000.00817.63
8.2.60.0050.00317.91
8.2.50.0030.00618.07
8.2.40.0110.00018.10
8.2.30.0050.00318.01
8.2.20.0000.00817.54
8.2.10.0050.00317.86
8.2.00.0080.00017.67
8.1.280.0070.01025.92
8.1.270.0060.00318.88
8.1.260.0020.00526.35
8.1.250.0050.00228.09
8.1.240.0040.00423.84
8.1.230.0080.00419.17
8.1.220.0050.00217.74
8.1.210.0060.00318.77
8.1.200.0030.00817.35
8.1.190.0030.00517.00
8.1.180.0000.00818.10
8.1.170.0050.00318.35
8.1.160.0000.00722.06
8.1.150.0040.00418.65
8.1.140.0040.00417.32
8.1.130.0030.00317.86
8.1.120.0000.00817.32
8.1.110.0030.00517.20
8.1.100.0000.00717.41
8.1.90.0030.00317.23
8.1.80.0030.00317.38
8.1.70.0040.00417.39
8.1.60.0030.01017.41
8.1.50.0000.00917.49
8.1.40.0030.00517.45
8.1.30.0040.00417.50
8.1.20.0070.00017.65
8.1.10.0040.00417.42
8.1.00.0070.00017.43
8.0.300.0050.00318.77
8.0.290.0000.00716.75
8.0.280.0070.00018.41
8.0.270.0040.00417.24
8.0.260.0000.00617.28
8.0.250.0000.00716.98
8.0.240.0040.00416.91
8.0.230.0000.00816.84
8.0.220.0050.00216.89
8.0.210.0000.00716.78
8.0.200.0060.00016.95
8.0.190.0070.00016.91
8.0.180.0000.00716.87
8.0.170.0000.00816.85
8.0.160.0070.00016.86
8.0.150.0040.00416.73
8.0.140.0030.00616.71
8.0.130.0050.00013.34
8.0.120.0030.00516.80
8.0.110.0020.00516.72
8.0.100.0000.00716.82
8.0.90.0040.00316.76
8.0.80.0070.01416.88
8.0.70.0050.00316.67
8.0.60.0040.00417.00
8.0.50.0000.00816.69
8.0.30.0140.00916.92
8.0.20.0140.00717.40
8.0.10.0040.00416.84
8.0.00.0080.01016.82
7.4.330.0050.00015.03
7.4.320.0000.00616.57
7.4.300.0030.00416.49
7.4.290.0030.00516.32
7.4.280.0050.00516.38
7.4.270.0000.00816.45
7.4.260.0030.00616.55
7.4.250.0040.00416.49
7.4.240.0030.00516.52
7.4.230.0030.00316.61
7.4.220.0070.01416.57
7.4.210.0000.01516.37
7.4.200.0070.00016.33
7.4.160.0110.00516.20
7.4.150.0110.01117.40
7.4.140.0050.01217.86
7.4.130.0110.00616.43
7.4.120.0070.01016.49
7.4.110.0130.01016.57
7.4.100.0060.01216.38
7.4.90.0140.00316.43
7.4.80.0090.01019.39
7.4.70.0140.00316.47
7.4.60.0030.01216.38
7.4.50.0060.00316.42
7.4.40.0110.00616.56
7.4.30.0170.00416.25
7.4.00.0030.01314.93
7.3.330.0060.00013.04
7.3.320.0070.00013.11
7.3.310.0000.00716.27
7.3.300.0030.00316.18
7.3.290.0070.00816.18
7.3.280.0070.00816.21
7.3.270.0180.00017.40
7.3.260.0120.01216.32
7.3.250.0120.00516.15
7.3.240.0100.00616.40
7.3.230.0100.01316.53
7.3.210.0080.01116.30
7.3.200.0090.00819.39
7.3.190.0160.00016.28
7.3.180.0080.00816.34
7.3.170.0110.00716.27
7.3.160.0080.00816.40
7.3.120.0150.00014.52
7.3.110.0040.01114.88
7.3.100.0070.01014.75
7.3.90.0070.00714.69
7.3.80.0000.01314.63
7.3.70.0060.00914.83
7.3.60.0070.00414.57
7.3.50.0080.00414.77
7.3.40.0070.01014.49
7.3.30.0000.01014.84
7.3.20.0000.01716.51
7.3.10.0070.01016.64
7.3.00.0060.00616.50
7.2.330.0160.00316.34
7.2.320.0090.01216.38
7.2.310.0030.01316.36
7.2.300.0090.00916.61
7.2.290.0000.01616.22
7.2.240.0040.01114.84
7.2.230.0100.00714.87
7.2.220.0140.00314.79
7.2.210.0000.01414.82
7.2.200.0090.00014.68
7.2.190.0040.01114.58
7.2.180.0060.00914.76
7.2.170.0060.00814.91
7.2.160.0040.00814.69
7.2.150.0080.00616.80
7.2.140.0040.01416.65
7.2.130.0030.00916.49
7.2.120.0070.01016.89
7.2.110.0080.00416.76
7.2.100.0040.01116.35
7.2.90.0060.00916.89
7.2.80.0030.00916.95
7.2.70.0110.00316.86
7.2.60.0010.01216.75
7.2.50.0000.01216.61
7.2.40.0040.01116.98
7.2.30.0090.00616.73
7.2.20.0030.00716.87
7.2.10.0100.00616.64
7.2.00.0060.00718.15
7.1.330.0040.01115.50
7.1.320.0000.01715.88
7.1.310.0060.00315.80
7.1.300.0060.00315.75
7.1.290.0030.01015.73
7.1.280.0120.00315.70
7.1.270.0070.00715.59
7.1.260.0070.00415.59
7.1.250.0100.00315.81
7.1.200.0100.01015.65
7.1.100.0030.00818.13
7.1.70.0030.00617.22
7.1.60.0110.01419.46
7.1.50.0060.01216.90
7.1.00.0030.07722.57
7.0.200.0000.00916.57
7.0.140.0070.04321.92
7.0.60.0030.04019.92
7.0.50.0130.08017.90
7.0.40.0070.05720.05
7.0.30.0370.04320.30
7.0.20.0430.07020.30
7.0.10.0170.08020.18
7.0.00.0070.08320.03
5.6.280.0030.07321.13
5.6.210.0130.03020.46
5.6.200.0030.08318.09
5.6.190.0170.07720.41
5.6.180.0300.07720.43
5.6.170.0400.07020.45
5.6.160.0100.07720.37
5.6.150.0100.06718.12
5.6.140.0030.05318.20
5.6.130.0170.07018.18
5.6.120.0030.04321.11
5.6.110.0230.07720.99
5.6.100.0030.05720.95
5.6.90.0170.06720.96
5.6.80.0130.06720.50
5.5.350.0130.07320.31
5.5.340.0070.04018.00
5.5.330.0130.08020.21
5.5.320.0030.08020.28
5.5.310.0230.04720.28
5.5.300.0070.08317.88
5.5.290.0000.04317.95
5.5.280.0100.06020.76
5.5.270.0170.04020.67
5.5.260.0100.08020.83
5.5.250.0130.08020.48
5.5.240.3930.04720.23
5.4.450.0600.07319.49
5.4.440.0870.07019.55
5.4.430.0200.04319.48
5.4.420.0170.05019.45
5.4.410.0270.04719.40
5.4.400.0070.05719.19
5.4.390.0170.05318.73
5.4.380.1670.06018.54
5.4.370.0070.07018.64
5.4.360.1300.05718.64
5.4.350.0200.05318.64
5.4.340.0130.06718.48
5.4.320.1130.06018.59
5.4.310.0170.05018.66
5.4.300.1100.05018.68
5.4.290.0130.05318.53
5.4.280.1030.06718.45
5.4.270.0130.05318.63
5.4.260.0130.05318.52
5.4.250.0970.06018.59
5.4.240.0170.05718.69
5.4.230.0170.05018.43
5.4.220.1100.06718.64
5.4.210.0130.05318.61
5.4.200.0200.04316.57
5.4.190.1130.05018.53
5.4.180.0170.05318.51
5.4.170.0200.05018.73
5.4.160.0930.05718.57
5.4.150.0030.06718.45
5.4.140.1030.05316.09
5.4.130.0170.05016.04
5.4.120.0170.05316.35
5.4.110.0200.04316.30
5.4.100.0070.06016.07
5.4.90.0130.05716.16
5.4.80.1030.05316.24
5.4.70.0200.04716.27
5.4.60.1270.07316.02
5.4.50.0200.05016.28
5.4.40.0400.05316.04
5.4.30.1370.06316.32
5.4.20.0270.05316.23
5.4.10.1330.04716.13
5.4.00.0230.04715.55
5.3.290.0270.06714.63
5.3.280.1130.06014.62
5.3.270.0100.06714.67
5.3.260.1000.06014.51
5.3.250.0230.04714.63
5.3.240.0200.06714.62
5.3.230.0200.05314.62
5.3.220.1400.06014.53
5.3.210.0130.05714.59
5.3.200.1000.05714.65
5.3.190.0130.05314.61
5.3.180.1330.03014.50
5.3.170.0170.05014.54
5.3.160.0170.05014.59
5.3.150.0130.05314.65
5.3.140.0130.05014.62
5.3.130.0100.06314.52
5.3.120.0930.05314.59
5.3.110.0230.06714.54
5.3.100.0200.04714.13
5.3.90.0170.04714.02
5.3.80.0130.05014.11
5.3.70.0100.05314.00
5.3.60.0170.05014.07
5.3.50.0130.05013.97
5.3.40.0230.04713.87
5.3.30.0170.04713.89
5.3.20.0200.04313.64
5.3.10.0100.05313.65
5.3.00.0100.05313.64
5.2.170.0130.04311.06
5.2.160.0130.05011.19
5.2.150.0100.05011.17
5.2.140.0130.04311.08
5.2.130.0270.03711.04
5.2.120.0170.03311.16
5.2.110.0170.03711.25
5.2.100.0200.04011.05
5.2.90.0070.05011.07
5.2.80.0130.04011.00
5.2.70.0030.05011.05
5.2.60.0070.04711.08
5.2.50.0100.04010.99
5.2.40.0100.04010.92
5.2.30.0070.04710.97
5.2.20.0100.04011.07
5.2.10.0130.03710.86
5.2.00.0130.04010.68
5.1.60.0070.03710.00
5.1.50.0030.04310.02
5.1.40.0070.03710.07
5.1.30.0100.03710.31
5.1.20.0030.04310.41
5.1.10.0130.03310.09
5.1.00.0100.03710.05
5.0.50.0070.0338.57
5.0.40.0030.0378.46
5.0.30.0100.0408.21
5.0.20.0070.0278.22
5.0.10.0030.0308.14
5.0.00.0030.0538.29
4.4.90.0030.0275.88
4.4.80.0070.0205.88
4.4.70.0000.0275.85
4.4.60.0100.0175.81
4.4.50.0070.0205.87
4.4.40.0070.0335.85
4.4.30.0130.0135.90
4.4.20.0030.0235.95
4.4.10.0000.0275.93
4.4.00.0000.0405.90
4.3.110.0070.0205.75
4.3.100.0100.0175.79
4.3.90.0000.0275.84
4.3.80.0100.0335.82
4.3.70.0070.0205.86
4.3.60.0030.0235.79
4.3.50.0070.0205.82
4.3.40.0030.0375.78
4.3.30.0000.0234.60
4.3.20.0000.0274.60
4.3.10.0000.0234.61
4.3.00.0000.02311.67

preferences:
38.32 ms | 400 KiB | 5 Q