3v4l.org

run code in 300+ PHP versions simultaneously
<?php $variableName = 'MyVariable'; // Create new variable with the name defined in variable $variableName ${$variableName} = 'MyValue'; //Outputs: string(7) "MyValue" var_dump($MyVariable); //Outputs: string(7) "MyValue" var_dump(${'MyVariable'});

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)
8.4.130.0120.00718.22
8.4.120.0200.01020.71
8.4.110.0210.00617.99
8.4.100.0120.00417.77
8.4.90.0160.00518.13
8.4.80.0130.00719.02
8.4.70.0110.00417.58
8.4.60.0140.00718.13
8.4.50.0160.00518.11
8.4.40.0170.00517.56
8.4.30.0150.00717.48
8.4.20.0150.00817.64
8.4.10.0130.00717.44
8.3.260.0040.00616.36
8.3.250.0140.00517.57
8.3.240.0150.00616.76
8.3.230.0120.00316.35
8.3.220.0120.00417.56
8.3.210.0130.00516.51
8.3.200.0120.00416.38
8.3.190.0050.00616.87
8.3.180.0130.00616.67
8.3.170.0160.00416.56
8.3.160.0100.01017.41
8.3.150.0150.00516.67
8.3.140.0150.00616.45
8.3.130.0090.00416.57
8.3.120.0100.00518.67
8.3.110.0140.00316.59
8.3.100.0140.00316.38
8.3.90.0090.00621.64
8.3.80.0120.00417.96
8.3.70.0120.00816.46
8.3.60.0180.00316.43
8.3.50.0160.00320.04
8.3.40.0140.00417.94
8.3.30.0120.00418.14
8.3.20.0100.00218.74
8.3.10.0090.00520.45
8.3.00.0090.00418.43
8.2.290.0090.00318.48
8.2.280.0120.00617.28
8.2.270.0100.00916.64
8.2.260.0120.00517.48
8.2.250.0110.00216.73
8.2.240.0110.00316.58
8.2.230.0110.00318.75
8.2.220.0120.00220.18
8.2.210.0080.00521.70
8.2.200.0090.00417.63
8.2.190.0150.00416.49
8.2.180.0140.00717.28
8.2.170.0120.00620.24
8.2.160.0110.00618.97
8.2.150.0090.00421.56
8.2.140.0080.00520.94
8.2.130.0130.00121.81
8.2.120.0110.00319.21
8.2.110.0150.00119.06
8.2.100.0120.00317.71
8.2.90.0140.00617.99
8.2.80.0160.00417.57
8.2.70.0110.00532.78
8.2.60.0140.00632.97
8.2.50.0160.00333.01
8.2.40.0110.00633.07
8.2.30.0140.00333.13
8.2.20.0100.00633.01
8.2.10.0160.00129.98
8.2.00.0130.00529.89
8.1.330.0100.00818.88
8.1.320.0140.00416.98
8.1.310.0070.00817.00
8.1.300.0100.00216.79
8.1.290.0090.00723.26
8.1.280.0120.00520.89
8.1.270.0100.00320.90
8.1.260.0070.00521.81
8.1.250.0090.00222.67
8.1.240.0070.00620.65
8.1.230.0090.00519.69
8.1.220.0140.00417.36
8.1.210.0130.00517.64
8.1.200.0110.00632.64
8.1.190.0120.00532.64
8.1.180.0150.00332.77
8.1.170.0080.01233.04
8.1.160.0150.00333.85
8.1.150.0120.00633.16
8.1.140.0120.00629.65
8.1.130.0120.00529.84
8.1.120.0120.00429.72
8.1.110.0120.00323.58
8.1.100.0110.00729.78
8.1.90.0130.00429.70
8.1.80.0130.00629.70
8.1.70.0130.00629.77
8.1.60.0150.00429.80
8.1.50.0160.00229.77
8.1.40.0130.00529.79
8.1.30.0140.00529.86
8.1.20.0170.00229.84
8.1.10.0130.00629.83
8.1.00.0140.00429.57
8.0.300.0150.00417.19
8.0.290.0130.00632.24
8.0.280.0150.00432.76
8.0.270.0160.00332.33
8.0.260.0130.00529.28
8.0.250.0130.00429.23
8.0.240.0120.00429.30
8.0.230.0120.00529.24
8.0.220.0150.00329.20
8.0.210.0130.00329.16
8.0.200.0120.00429.15
8.0.190.0150.00229.24
8.0.180.0100.00629.27
8.0.170.0110.00629.27
8.0.160.0150.00329.57
8.0.150.0120.00629.22
8.0.140.0130.00529.11
8.0.130.0090.00828.48
8.0.120.0130.00329.21
8.0.110.0130.00329.10
8.0.100.0140.00429.13
8.0.90.0120.00529.17
8.0.80.0140.00529.17
8.0.70.0120.00529.18
8.0.60.0120.00429.21
8.0.50.0140.00429.16
8.0.30.0180.00427.25
8.0.20.0150.00527.38
8.0.10.0130.00329.26
8.0.00.0140.00427.21
7.4.330.0100.00428.64
7.4.320.0120.00628.93
7.4.300.0100.00524.28
7.4.290.0120.00328.86
7.4.280.0120.00428.90
7.4.270.0120.00428.91
7.4.260.0120.00528.90
7.4.250.0130.00428.95
7.4.240.0110.00426.85
7.4.230.0120.00528.94
7.4.220.0120.00628.89
7.4.210.0110.00628.93
7.4.200.0110.00428.98
7.4.190.0130.00532.02
7.4.180.0150.00332.06
7.4.160.0160.00428.87
7.4.150.0120.00529.07
7.4.140.0140.00427.27
7.4.130.0130.00626.79
7.4.120.0120.00625.33
7.4.110.0140.00726.81
7.4.100.0140.00624.19
7.4.90.0130.00622.08
7.4.80.0120.00722.33
7.4.70.0110.00821.21
7.4.60.0110.00820.54
7.4.50.0120.00720.57
7.4.40.0120.00620.82
7.4.30.0090.00920.55
7.4.20.0140.00620.30
7.4.10.0130.00719.90
7.4.00.0120.00819.50
7.3.330.0120.00428.14
7.3.320.0120.00328.09
7.3.310.0120.00428.77
7.3.300.0130.00328.75
7.3.290.0130.00328.77
7.3.280.0110.00625.18
7.3.270.0130.00628.99
7.3.260.0110.00628.75
7.3.250.0140.00426.66
7.3.240.0150.00628.74
7.3.230.0120.00926.76
7.3.220.0150.00624.11
7.3.210.0130.00621.96
7.3.200.0140.00722.22
7.3.190.0120.00721.53
7.3.180.0130.00620.47
7.3.170.0120.00720.75
7.3.160.0120.00720.74
7.3.150.0120.00720.44
7.3.140.0100.01020.20
7.3.130.0100.00919.83
7.3.120.0120.00719.27
7.3.110.0130.00619.34
7.3.100.0120.00619.28
7.3.90.0100.00819.30
7.3.80.0100.00819.33
7.3.70.0100.00919.05
7.3.60.0110.00719.05
7.3.50.0110.00818.88
7.3.40.0110.00818.82
7.3.30.0110.00718.64
7.3.20.0330.00718.99
7.3.10.0280.00818.95
7.3.00.0280.00819.00
7.2.340.0140.00529.08
7.2.330.0120.00721.98
7.2.320.0110.00822.12
7.2.310.0120.00720.82
7.2.300.0120.00820.83
7.2.290.0120.00720.83
7.2.280.0120.00720.56
7.2.270.0120.00820.27
7.2.260.0110.00819.90
7.2.250.0110.00819.67
7.2.240.0100.01019.42
7.2.230.0100.00919.40
7.2.220.0110.00919.46
7.2.210.0100.01019.40
7.2.200.0120.00719.20
7.2.190.0120.00719.14
7.2.180.0090.01018.98
7.2.170.0110.00818.99
7.2.160.0120.00818.98
7.2.150.0180.00819.23
7.2.140.0310.01019.23
7.2.130.0260.00819.29
7.2.120.0240.00919.07
7.2.110.0290.00918.90
7.2.100.0460.00818.64
7.2.90.0370.00918.63
7.2.80.0370.00818.70
7.2.70.0330.00918.69
7.2.60.0370.00718.62
7.2.50.0410.00818.72
7.2.40.0410.00818.73
7.2.30.0340.00918.71
7.2.20.0280.01018.67
7.2.10.0260.01018.65
7.2.00.0250.00818.68
7.1.330.0150.00918.95
7.1.320.0160.00818.95
7.1.310.0160.00818.97
7.1.300.0160.00718.66
7.1.290.0150.00918.68
7.1.280.0170.00818.47
7.1.270.0160.00818.20
7.1.260.0330.00718.19
7.1.250.0280.00618.31
7.1.240.0310.00718.13
7.1.230.0370.00718.10
7.1.220.0440.00617.76
7.1.210.0420.00717.75
7.1.200.0380.00817.67
7.1.190.0430.00717.75
7.1.180.0420.00817.75
7.1.170.0360.00917.71
7.1.160.0450.00517.79
7.1.150.0390.00917.71
7.1.140.0350.00817.72
7.1.130.0380.00817.70
7.1.120.0350.00817.68
7.1.110.0330.00917.67
7.1.100.0280.00917.67
7.1.90.0290.00817.70
7.1.80.0260.00817.68
7.1.70.0260.00917.63
7.1.60.0320.00819.80
7.1.50.0410.00819.79
7.1.40.0330.00919.79
7.1.30.0270.00819.84
7.1.20.0390.00919.78
7.1.10.0240.00617.64
7.1.00.0240.00817.61
7.0.330.0370.00618.20
7.0.320.0310.00817.94
7.0.310.0420.00917.53
7.0.300.0410.00717.55
7.0.290.0350.00917.51
7.0.280.0390.00817.52
7.0.270.0300.00717.48
7.0.260.0260.00917.49
7.0.250.0320.00817.53
7.0.240.0400.00817.52
7.0.230.0270.00717.52
7.0.220.0260.00817.51
7.0.210.0280.00717.46
7.0.200.0290.00717.47
7.0.190.0320.00817.47
7.0.180.0270.00717.44
7.0.170.0250.00717.47
7.0.160.0280.00717.46
7.0.150.0250.00717.41
7.0.140.0220.00917.44
7.0.130.0240.00817.47
7.0.120.0280.00717.45
7.0.110.0240.00817.42
7.0.100.0340.00717.45
7.0.90.0230.00817.36
7.0.80.0250.00817.45
7.0.70.0230.00817.46
7.0.60.0260.00717.44
7.0.50.0270.00717.45
7.0.40.0240.00917.39
7.0.30.0270.00817.47
7.0.20.0310.00817.45
7.0.10.0210.00817.39
7.0.00.0190.00917.42
5.6.400.0170.00818.64
5.6.390.0140.00918.64
5.6.380.0150.00818.03
5.6.370.0160.00818.07
5.6.360.0160.00818.12
5.6.350.0140.01018.08
5.6.340.0130.01118.07
5.6.330.0150.00918.09
5.6.320.0160.00818.12
5.6.310.0140.01018.09
5.6.300.0160.01318.13
5.6.290.0160.01018.15
5.6.280.0170.01118.24
5.6.270.0140.01118.21
5.6.260.0160.01118.20
5.6.250.0150.01218.17
5.6.240.0160.01218.21
5.6.230.0150.01218.18
5.6.220.0160.01118.24
5.6.210.0160.01018.20
5.6.200.0140.01218.19
5.6.190.0160.01118.17
5.6.180.0160.01118.18
5.6.170.0170.01018.17
5.6.160.0150.01218.19
5.6.150.0140.01218.13
5.6.140.0150.01218.21
5.6.130.0160.01218.18
5.6.120.0160.01218.17
5.6.110.0170.01018.19
5.6.100.0140.01318.16
5.6.90.0150.01218.16
5.6.80.0150.01118.10
5.6.70.0150.01118.05
5.6.60.0150.01018.12
5.6.50.0160.01018.12
5.6.40.0140.01218.10
5.6.30.0160.01218.12
5.6.20.0150.01118.08
5.6.10.0160.01118.12
5.6.00.0150.01018.05
5.5.380.0170.01017.73
5.5.370.0140.01117.70
5.5.360.0160.01117.65
5.5.350.0160.01017.66
5.5.340.0140.01317.66
5.5.330.0160.01017.71
5.5.320.0140.01117.72
5.5.310.0160.01117.64
5.5.300.0160.01117.73
5.5.290.0160.01217.69
5.5.280.0150.01117.70
5.5.270.0150.01217.74
5.5.260.0170.01017.71
5.5.250.0160.01117.65
5.5.240.0140.01217.66
5.5.230.0140.01217.62
5.5.220.0150.01017.63
5.5.210.0140.01117.66
5.5.200.0150.01117.63
5.5.190.0160.01017.65
5.5.180.0150.01217.64
5.5.170.0160.00817.94
5.5.160.0150.01017.67
5.5.150.0160.00917.69
5.5.140.0160.01017.64
5.5.130.0140.01217.70
5.5.120.0150.01117.63
5.5.110.0150.01017.66
5.5.100.0160.01017.64
5.5.90.0150.01017.63
5.5.80.0150.01017.64
5.5.70.0150.01017.61
5.5.60.0150.01017.59
5.5.50.0170.01017.62
5.5.40.0150.01017.64
5.5.30.0140.01217.60
5.5.20.0150.01117.67
5.5.10.0150.01017.57
5.5.00.0150.01017.61
5.4.450.0130.00916.08
5.4.440.0120.00916.06
5.4.430.0130.00816.08
5.4.420.0120.01016.09
5.4.410.0120.00816.09
5.4.400.0130.00816.03
5.4.390.0120.00916.07
5.4.380.0110.01016.04
5.4.370.0130.00716.01
5.4.360.0120.00916.01
5.4.350.0130.00816.04
5.4.340.0130.00716.04
5.4.330.0120.00615.91
5.4.320.0130.00716.03
5.4.310.0130.00816.03
5.4.300.0120.00916.04
5.4.290.0130.00916.04
5.4.280.0130.00916.04
5.4.270.0130.00816.03
5.4.260.0140.00716.01
5.4.250.0130.00916.05
5.4.240.0120.00816.02
5.4.230.0120.00816.05
5.4.220.0120.01016.06
5.4.210.0130.00916.04
5.4.200.0130.00816.04
5.4.190.0140.00716.03
5.4.180.0120.00916.04
5.4.170.0140.00916.03
5.4.160.0130.00816.03
5.4.150.0130.00816.01
5.4.140.0130.00915.95
5.4.130.0120.00815.97
5.4.120.0130.00715.95
5.4.110.0110.01015.95
5.4.100.0120.00815.93
5.4.90.0130.00715.94
5.4.80.0110.00915.96
5.4.70.0130.00815.95
5.4.60.0120.00715.94
5.4.50.0120.00815.95
5.4.40.0120.00915.96
5.4.30.0120.00815.94
5.4.20.0120.00915.95
5.4.10.0110.00915.95
5.4.00.0130.00715.92
5.3.290.0130.00916.02
5.3.280.0130.00815.98
5.3.270.0120.00916.00
5.3.260.0120.01015.98
5.3.250.0120.00815.99
5.3.240.0120.00915.96
5.3.230.0130.00815.95
5.3.220.0130.00915.96
5.3.210.0120.00915.97
5.3.200.0110.01015.94
5.3.190.0120.00916.00
5.3.180.0120.00816.03
5.3.170.0120.00916.05
5.3.160.0120.00816.04
5.3.150.0130.00816.03
5.3.140.0120.00916.01
5.3.130.0130.00815.99
5.3.120.0130.00915.96
5.3.110.0130.00716.00
5.3.100.0120.00815.92
5.3.90.0120.00916.00
5.3.80.0110.00915.92
5.3.70.0120.00815.96
5.3.60.0120.00815.97
5.3.50.0120.00915.93
5.3.40.0110.00915.92
5.3.30.0110.00915.95
5.3.20.0110.00815.94
5.3.10.0110.00915.85
5.3.00.0100.00915.86

preferences:
36.07 ms | 403 KiB | 5 Q